Manrose 100mm (4") Centrifugal Extractor Fan, Standard - CF200S
The CF200S is a high-pressure centrifugal extractor fan designed by Manrose for demanding ventilation situations in bathrooms, toilets, cloakrooms and utility rooms. It is part of their CF200 range which delivers an extraction rate of 110 m³/hr (31 litres per second). This “standard” version is intended for remote switching (via a light switch or separate fan switch) rather than including built-in timer or pull-cord controls. It uses a simple two-wire connection, making it straightforward and flexible for conventional installations. Built for durability and performance, the unit is manufactured in high-impact ABS thermoplastic and includes a spring-operated non-return (back-draught) flap to prevent unwanted airflow when the fan is off. It supports both wall or ceiling mounting using standard 100 mm (4″) ducting and meets building regulation requirements for ventilation (F1).
Manrose 100mm (4") Centrifugal Extractor Fan with Humidistat - CF200H
The CF200 centrifugal fans use the latest technology to provide extremely powerful, yet very quiet and vibration free ventilation. The CF200 ranges are designed for bathrooms, toilets, cloakrooms, utility rooms. Designed to move air over long distances, these units will give maximum performance even against pressures caused by long lengths of ducting and resistance by grilles. All models are fitted with a built-in spring operated non-return flap into the discharge spigot to stop backdraughts. There are seven models in each series. The CF200 has an extract rate of 110m³/hr 31 litres per second. The units are all manufactured using high impact ABS thermoplastics for strength and durability, aesthetics and easy cleaning. Power to the CF200 range is provided by a single phase induction motor with pre-oiled bearings for a long, maintenance-free life. Designed to comply with the Building Regulations on Ventilation (F1). Features: Humidity control which is adjustable between 40 and 95%RH Complete with adjustable integral timer (1-20 mins) 100mm / 4" standard rigid or flexible duct These fans are double insulated and do not require an earth All wiring must comply with current IEE regulations A double pole isolating switch, having a contact separation of at least 3mm in all poles, must be used with a 3amp fuse fitted The fan should not be accessible to a person using either the shower or bath and mounted to a minimum of 1.8 metres from the floor Sapecifications: Maximum pressure: 120 p.a. Fan speed: 1400 r.p.m. 110m3/hr, 31 litres per second Diamensions: Height: 185mm x Width: 260mm x Depth: 90mm Criteria Noise Level: 45.0 dB(A) Wattage: 17 Voltage: 220-240V - AC. 50Hz Width: 260 Height: 185 Manufacturer Code: CF200H Barcode: 5060340489601
Manrose 100mm (4") Centrifugal Extractor Fan with Timer & Pullcord - CF200TP
This model is a robust 100 mm (4″) centrifugal extractor fan engineered by Manrose for high-performance ventilation in spaces like bathrooms, toilets and utility rooms. With an extraction rate of 110 m³/h (approximately 31 litres per second) it’s designed to handle longer duct runs and overcome resistance from grilles or bends. It features an integrated electronic timer and a pull-cord override switch, meaning you don’t need a switched live feed to control it. The timer lets the fan continue running for a preset period after the switch is turned off, helping to clear moisture and steam effectively. Built for durability and quietness, the CF200TP is constructed from high impact ABS thermoplastic and fitted with a spring-operated non-return flap to prevent back-draughts. It operates at 220-240V AC, consumes about 17 W, and is designed to meet the building regulations on ventilation (F1).
Manrose 100mm (4") Centrifugal Extractor Fan with Pullcord - CF100P
The Manrose CF100P Centrifugal Fan is a state-of-the-art ventilation solution designed to provide powerful, yet quiet and vibration-free airflow. Ideal for bathrooms, toilets, cloakrooms, and utility rooms, this fan is engineered to move air over long distances, ensuring maximum performance even against the pressures caused by long lengths of ducting and resistance by grilles. With an impressive extract rate of 90m³/hr (25 liters per second), the CF100P ensures a fresh and healthy environment in your home. Each CF100P model is equipped with a built-in spring-operated non-return flap in the discharge spigot to prevent backdraughts, enhancing its efficiency and reliability. Constructed from high-impact ABS thermoplastics, these units offer exceptional strength, durability, and easy cleaning. The fan is powered by a single-phase induction motor with pre-oiled bearings, providing a long, maintenance-free life. Additionally, the CF100P complies with Building Regulations on Ventilation (F1), ensuring it meets the highest standards for safety and performance. The CF100P features a convenient pullcord operation, allowing you to easily control the fan as needed. Designed for use with 100mm (4") standard rigid or flexible ducting, this fan is double insulated and does not require an earth. With a noise level of 42.0 dB(A) and a fan speed of 1600 r.p.m., the CF100P provides efficient and quiet operation. Its compact dimensions (Height: 163mm x Width: 163mm x Depth: 90mm) make it a versatile and effective addition to any ventilation system.
Manrose 100mm (4") Centrifugal Extractor Fan with Timer - CF200T
The CF200TP is a high-performance centrifugal extractor fan designed to serve bathrooms, toilets, cloakrooms and utility spaces. It delivers an air extraction rate of approximately 110 m³/hr (31 L/s), making it suitable even when duct runs are long or include bends or resistance. Its built-in electronic timer allows the fan to continue running for a preset period after the main switch is turned off—helping to clear residual moisture from the room—and the pull-cord override switch means you don’t necessarily need a separate switched live feed for operation. Constructed from high-impact ABS thermoplastic, the unit is designed for durability and quiet operation (around 45 dB(A) at 3 m) and includes a built-in spring-operated non-return (back-draught) flap to prevent reverse airflow. It is also mounted via standard 100 mm (4″) ducting and complies with relevant UK ventilation regulations.
Manrose 100mm (4") Centrifugal Extractor Fan with Timer - CF100T
The CF100 centrifugal fans use the latest technology to provide extremely powerful, yet very quiet and vibration free ventilation. The CF100 ranges are designed for bathrooms, toilets, cloakrooms, utility rooms. Designed to move air over long distances, these units will give maximum performance even against pressures caused by long lengths of ducting and resistance by grilles. All models are fitted with a built-in spring operated non-return flap into the discharge spigot to stop backdraughts. There are seven models in each series. The CF100 has an extract rate of 90m³/hr 25 litres per second. The units are all manufactured using high impact ABS thermoplastics for strength and durability, aesthetics and easy cleaning. Power to the CF100 range is provided by a single phase induction motor with pre-oiled bearings for a long, maintenance-free life. Designed to comply with the Building Regulations on Ventilation (F1). Features: Timer model incorporating integral adjustable electronic timer (1-20 mins) 100mm / 4" standard rigid or flexible duct These fans are double insulated and do not require an earth All wiring must comply with current IEE regulations A double pole isolating switch, having a contact separation of at least 3mm in all poles, must be used with a 3amp fuse fitted The fan should not be accessible to a person using either the shower or bath and mounted to a minimum of 1.8 metres from the floor Specifications: Maximum pressure: 80 p.a. Fan speed: 1600 r.p.m. 90m3/hr, 25 litres per second Diamensions: Height: 163mm x Width: 163mm x Depth: 90mm Criteria Noise Level: 42.0 dB(A) Wattage: 19 Voltage: 220-240V - AC. 50Hz Width: 163 Height: 163 Manufacturer Code: CF100T Barcode: 5020953550570
Manrose 100mm (4") Conceal Quiet Bathroom Extractor Fan with Timer - QF100TX5CON
The Manrose 100mm Conceal Quiet Fan IPX5 Timer - QF100TX5CON is an advanced ventilation solution designed for bathrooms and shower rooms. This fan is IPX5 compliant, making it suitable for installation in zone 1 areas without the need for a low voltage transformer. Its sleek, concealed design ensures it blends seamlessly into any space while providing effective and quiet ventilation. The fan's high-quality construction from durable ABS thermoplastics guarantees long-lasting performance and reliability. This fan features an impressive extraction rate of 75 cubic metres per hour, effectively removing moisture and odours to maintain a comfortable environment. The integrated timer allows you to set the fan to run for a pre-set time (5-30mins) after the room light is switched off, ensuring optimal air quality. The low energy motor consumes just 6 watts, making it an energy-efficient choice for any home. Additionally, the fan operates at a decibel level of only 28 dB(A) at 3 metres, making it one of the quietest fans available. The performance-enhancing turning vane system located in the spigot improves airflow, ensuring maximum efficiency and optimal performance. The Manrose 100mm Conceal Quiet Fan is designed to meet and exceed ventilation Building Regulations, making it a reliable choice for both residential and commercial applications. Its compact dimensions of 160mm x 160mm x 80mm and a weight of 0.5kg make it easy to install and integrate into various settings without compromising on aesthetics. This fan is an excellent investment for improving indoor air quality and maintaining a healthy living environment.
The Manrose 100mm Conceal Quiet Fan IPX5 Standard - QF100SX5CON is a top-tier ventilation solution designed for bathrooms and shower rooms. This fan is IPX5 compliant, making it suitable for installation in zone 1 areas without the need for a low voltage transformer. Its sleek, concealed design ensures it blends seamlessly into any space while providing effective and quiet ventilation. The fan's high-quality construction from durable ABS thermoplastics guarantees long-lasting performance and reliability. This fan features an impressive extraction rate of 75 cubic metres per hour, effectively removing moisture and odours to maintain a comfortable environment. The low energy motor consumes just 6 watts, making it an energy-efficient choice for any home. Additionally, the fan operates at a decibel level of only 28 dB(A) at 3 metres, making it one of the quietest fans available. The performance-enhancing turning vane system located in the spigot improves airflow, ensuring maximum efficiency and optimal performance. The Manrose 100mm Conceal Quiet Fan is designed to meet and exceed ventilation Building Regulations, making it a reliable choice for both residential and commercial applications. Its compact dimensions of 160mm x 160mm x 80mm and a weight of 0.5kg make it easy to install and integrate into various settings without compromising on aesthetics. This fan is an excellent investment for improving indoor air quality and maintaining a healthy living environment.
Manrose 100mm (4") Flat Axial Bathroom Extractor Fan with Timer - FLAT100T
Clear the air with the Manrose Flat 100mm Extractor Fan (FLAT100T). This single-speed axial fan is perfect for removing steam and stale air from bathrooms and toilets, whether wall or panel mounted. Featuring a slim 15mm profile and integral backdraught shutters, this unobtrusive model also includes an electronic overrun timer, allowing you to set the fan to continue running for up to 30 minutes after you leave the bathroom, ensuring optimal ventilation. The Manrose Flat 100mm Extractor Fan is finished in white and complies with Building Regulations (Document F). It is double insulated and operates on 220-240V AC at 50Hz, with a power consumption of 14W. The fan has a maximum pressure of 20 Pa, a sound volume of 38.0 dB(A), and a maximum operating temperature of 40°C. It offers an extraction rate of 95 m³/hr (26 litres per second), making it an efficient and reliable choice for maintaining a fresh and comfortable bathroom environment.
Clear the air with the Manrose Flat 100mm Extractor Fan (FLAT100S). This single-speed axial fan is perfect for removing steam and stale air from bathrooms and toilets, whether wall or panel mounted. Featuring a slim 15mm profile, this unobtrusive extractor fan also includes integral backdraught shutters, ensuring efficient and effective ventilation. The Manrose Flat 100mm Extractor Fan is finished in white and complies with Building Regulations (Document F). It is double insulated and operates on 220-240V AC at 50Hz, with a power consumption of 14W. The fan has a maximum pressure of 20 Pa, a sound volume of 38.0 dB(A), and a maximum operating temperature of 40°C. It offers an extraction rate of 95 m³/hr (26 litres per second), making it an efficient and reliable choice for maintaining a fresh and comfortable bathroom environment.
Manrose 100mm (4") Flat Axial Bathroom Extractor Fan With Humidistat - FLAT100H
The Manrose FLAT100H is a slim, low-profile 100 mm (4-inch) axial fan that’s specially designed for bathrooms and washrooms. With a depth of just 15 mm, it can be recessed neatly into panels or walls, giving a discreet, almost flush finish. The casing is made from white, high-gloss ABS plastic, making the unit both durable and easy to clean. What sets this model apart is its built-in humidistat, which means the fan will automatically switch on when the relative humidity increases — for example, during or after a shower — and then turn off once steam levels drop. The humidistat is a clever way to prevent condensation and mould, without needing to rely on a separate switch or manual control. In terms of performance, it delivers an extraction rate of around 95 m³/h (26 L/s), while running at a very quiet noise level of 38 dB(A). It’s IP44-rated for protection against moisture, operates on 220-240 V AC, and consumes about 14 W, making it an energy-efficient solution for maintaining fresh air in a humid bathroom environment.
Manrose 100mm (4") In-Line Centrifugal Extractor Fan With Timer - CFD200TN
The Manrose CFD200TN 100mm In-Line Centrifugal Extractor Fan with Timer is an efficient in-duct ventilation solution designed for bathrooms, en-suites, toilets, and utility rooms that require strong airflow through longer duct runs. It features a 100 mm (4″) spigot and delivers an extraction rate of about 110 m³/h (31 L/s) for reliable moisture and odour control. Using backward-curved centrifugal impellers, this fan maintains performance over ducts up to 10 metres long, while a spring-operated non-return flap prevents unwanted back-draughts. Its compact design allows for discreet installation within ceiling voids or loft spaces. Built from high-impact ABS thermoplastic, the CFD200TN offers strength, durability, and easy maintenance. It runs quietly at around 45 dB(A) and consumes roughly 20 W, powered by a long-life, low-maintenance motor. The adjustable over-run timer (1–20 minutes) keeps the fan running after switch-off to clear lingering humidity efficiently.
Manrose 100mm (4") In-Line Centrifugal Extractor Fan Kit With Timer - SCF200TN
The SCF200TN is an in-line centrifugal extractor fan kit designed for bathrooms, en-suites, utility rooms or long duct runs. It’s built with a 100 mm (4") spigot and a backward-curved impeller, which means it’s engineered to move a good volume of air even through longer lengths of ducting. With an extraction capacity of around 110 m³/h (31 L/s) it’s capable of handling ventilation needs while remaining relatively quiet. One of its standout features is a built-in adjustable over-run timer: once the light or switched live is turned off, the fan continues to run for a preset interval (typically 1-20 minutes) to clear remaining moisture or stale air. This ensures better air quality and helps reduce mould or condensation concerns. The fan also includes a non-return back-draught flap to prevent outside air or cold draughts from entering when it’s off. From a build perspective, the unit is constructed using high-impact ABS thermoplastic for durability and ease of cleaning, and is powered by a single phase induction motor with pre-oiled bearings for maintenance-free life. It is also compliant with UK ventilation regulations for domestic bathrooms (Ventilation F1) and is suitable for mounting in ceilings or loft/void spaces out of the way.
Manrose 100mm (4") In-Line Mixed Flow Extractor Fan - MF100S
Manrose MF100S 100mm In-Line Mixed Flow Extractor Fan The Manrose MF100S 100mm In-Line Mixed Flow Extractor Fan is designed to deliver high performance with minimal noise. With a high RPM of 2400 and a low RPM of 1700, it operates efficiently at wattages of 25W and 20W respectively. This fan achieves a maximum airflow of 245 m³/hr (68 l/s) at high settings and 180 m³/hr (50 l/s) at low settings, with maximum pressure reaching 200 Pa at high and 120 Pa at low. It operates quietly with noise levels of 24 dB(A) at high and 20 dB(A) at low, and can handle temperatures up to 40°C. The compact dimensions (Height: 230mm, Width: 298mm, Depth: 175mm) and 4" hole size make it suitable for various installations, ensuring high air flows through flexible ducting. This fan features two-speed settings, double insulation (no earth required), and is fully compliant with Building Codes and BEAB approved, rated to IPX4. The mixed flow created by the twin blades allows the fan to pull more air than conventional extractor fans, making it ideal for use in bathrooms and other high humidity areas. The Manrose MF100S is a reliable and efficient solution for maintaining optimal air quality and ventilation in your space. High Extraction Rate The Manrose 4 inch inline fan provides a high extraction rate whilst keeping noise to a minimum. The mixed flow created by the twin blades enables the fan to pull more air than a conventional extractor fan making it ideal for use in bathrooms and other areas of high humidity. 3 Speed Settings MF100S benefits from 3 speed settings which can be set via dip-switch at installation. This allows the fan to operate at an appropriate rate for user requirements. Compact & Quiet Operating at a maximum of just 24dB(A) and with a compact design, MF100S is ideal for applications where installation and extraction needs to be powerful yet discreet. High Quality Long-Life Motor with 3 Year Guarantee Fitted with a high quality ball bearing motor, MF100S is continuously rated and guaranteed for a minimum of 30,000 hours or 3 years. Safe & Compliant MF100S is fully BEAB approved, building code compliant and is IPX4 rated
Manrose 100mm (4") Inline Axial Extractor Fan Kit, Standard - SF100S
The Manrose SF100S 100mm Standard Inline Axial Fan Kit is a reliable and efficient solution for ventilating bathrooms, toilets, and shower rooms. Designed to be mounted remotely, this fan eliminates the risk of electric shock in wet areas, ensuring safety and peace of mind. Its powerful yet quiet operation makes it an ideal choice for maintaining a fresh and comfortable environment in your home. The fan's high-quality construction from durable ABS thermoplastics guarantees long-lasting performance and easy maintenance. This fan features an impressive extraction rate of 85 cubic metres per hour, effectively removing moisture and odours to maintain a comfortable atmosphere. The low energy motor consumes just 6 watts, making it an energy-efficient choice for any home. Additionally, the fan operates at a decibel level of only 41 dB(A), ensuring minimal disruption while in use. The kit includes one length of PVC flexible ducting, an internal and external wall grille, and all necessary fixing screws, plugs, and straps for easy installation. The Manrose SF100S 100mm Standard Inline Axial Fan Kit is designed to meet and exceed ventilation Building Regulations, making it a reliable choice for both residential and commercial applications. Its compact dimensions of 130mm x 90mm x 155mm and a weight of 1kg make it easy to install and integrate into various settings without compromising on aesthetics. This fan is an excellent investment for improving indoor air quality and maintaining a healthy living environment.
Manrose 100mm (4") Intervent Square Extractor Fan With Timer - BVF100T
Manrose Intervent BVF100T 4" Square Extractor Fan with Timer designed for those looking for something conventional and practical. A great performing fan with an affordable price tag. Designed for wall, ceiling or window mounting, this comprehensive range offers a wide selection of models for use in bathrooms and toilets. BVF100T has an adjustable run on timer for use where there is a permanent and switched live available at the fan. Quiet and efficient, the 100mm (4") series has an impressive extract rate of 85m3/hr, 23 liters per second. The units are all manufactured using high ABS thermoplastics for strength and durability, aesthetics and easy cleaning. Power is provided by a single phase induction motor with pre-oiled bearings for a long, maintenance- free life.Designed to comply with the 2006 Building Regulations on Ventilation (F1). BVF100 Series designed for wall, ceiling or window mounting through 100mm (4") diameter flexible or rigid pipes or Manrose low profile, flat channel ducting systems. 220-240V - AC. 50Hz . Single phase consuming 14 watts. These fans are double insulated and do not require an earth. All wiring must comply with current IEE regulations. A double pole isolating switch, having a contact separation of at least 3mm in all poles, must be used with a 3 amp fuse fitted. The fan must not be accessible to a person using either the shower or bath and mounted a minimum of 1.8 metres from the floor.
Manrose 100mm (4") Intervent Bathroom Humidity Extractor Fan - NVF100H
The Manrose 100mm Humidity CPEX Fan 20PKS (NVF100H) is a high-performance ventilation solution designed to enhance the air quality in your bathroom or toilet. This fan features a robust single-phase induction motor with pre-oiled bearings, ensuring long-lasting performance and quiet operation. Its sleek design, crafted from high gloss ABS thermoplastics, adds a touch of elegance to your bathroom while being durable and easy to clean. The fan is suitable for wall, ceiling, or window mounting, providing flexibility in installation to suit your specific needs. This extractor fan is equipped with advanced humidity control, making it ideal for maintaining optimal moisture levels in your bathroom. The built-in humidistat is adjustable between 40% RH and 95% RH, automatically regulating the fan's operation based on the humidity levels. With an extraction rate of 23 litres per second, it efficiently removes excess moisture and odours, ensuring a fresh and comfortable environment. The Manrose NVF100H is designed for user convenience and reliability. It features a simple installation process, making it easy to set up in any bathroom. The fan operates at a noise level of 41 dB(A), making it one of the quieter options available. Its compact dimensions (Height: 163mm, Width: 163mm, Depth: 75mm) and lightweight design (0.66kg) make it an unobtrusive addition to your bathroom decor. With its combination of performance, durability, and style, the Manrose NVF100H is an excellent investment for maintaining a healthy and pleasant bathroom environment.
Manrose 100mm (4") Intervent Bathroom Extractor Fan, Standard - NVF100S
The Manrose Intervent 100mm (4 inch) Standard Extractor Fan (NVF100S) is a reliable and efficient ventilation solution designed to improve the air quality in your bathroom or toilet. This fan features a robust single-phase induction motor with pre-oiled bearings, ensuring long-lasting performance and quiet operation. Its sleek design, crafted from high gloss ABS thermoplastics, adds a touch of elegance to your bathroom while being durable and easy to clean. The fan is suitable for wall or ceiling mounting, providing flexibility in installation to suit your specific needs. This extractor fan is designed to efficiently remove excess moisture and odours, maintaining a fresh and comfortable environment. With an extraction rate of 23 litres per second, it effectively prevents mould and mildew growth by keeping humidity levels in check. The fan complies with building regulations, making it a reliable and safe choice for any bathroom. Its powerful 14W motor ensures effective ventilation, contributing to a healthier living space. The Manrose NVF100S is user-friendly and reliable. It features a simple installation process, making it easy to set up in any bathroom. The fan operates at a noise level of 41 dB(A), making it one of the quieter options available. Its compact dimensions (Height: 156mm, Width: 156mm, Depth: 28mm) and lightweight design (0.66kg) make it an unobtrusive addition to your bathroom decor. With its combination of performance, durability, and style, the Manrose NVF100S is an excellent investment for maintaining a healthy and pleasant bathroom environment.
Manrose 100mm (4") Intervent Extractor Fan With Timer - NVF100T
The Manrose 100mm Timer Fan CEPX (NVF100T) is a high-performance ventilation solution designed to enhance the air quality in your bathroom or toilet. This fan features a robust single-phase induction motor with pre-oiled bearings, ensuring long-lasting performance and quiet operation. Its sleek design, crafted from high gloss ABS thermoplastics, adds a touch of elegance to your bathroom while being durable and easy to clean. The fan is suitable for wall or ceiling mounting, providing flexibility in installation to suit your specific needs. This extractor fan is equipped with an adjustable electronic timer, allowing you to set the fan to run for a predetermined period after the bathroom light is switched off. With an extraction rate of 23 litres per second, it efficiently removes excess moisture and odours, ensuring a fresh and comfortable environment. The fan complies with building regulations, making it a reliable and safe choice for any bathroom. Its powerful 14W motor ensures effective ventilation, preventing mould and mildew growth by maintaining optimal humidity levels. The Manrose NVF100T is designed for user convenience and reliability. It features a simple installation process, making it easy to set up in any bathroom. The fan operates at a noise level of 41 dB(A), making it one of the quieter options available. Its compact dimensions (Height: 156mm, Width: 156mm, Depth: 28mm) and lightweight design (0.66kg) make it an unobtrusive addition to your bathroom decor. With its combination of performance, durability, and style, the Manrose NVF100T is an excellent investment for maintaining a healthy and pleasant bathroom environment.
The Manrose LP100CSC 100mm Low Profile Circular Fan is an excellent choice for maintaining optimal air quality in your bathroom or kitchen. This fan features a sleek chrome finish and an ultra-slim 10mm profile, making it a stylish and unobtrusive addition to any space. Designed for both wall and ceiling mounting, it offers versatility and ease of installation, ensuring it meets the ventilation needs of various domestic environments. The fan's robust construction using high-impact ABS thermoplastics guarantees durability and ease of maintenance. This fan is equipped with a long-life motor that ensures efficient performance over time. It operates quietly at a maximum noise level of 41dB, making it an unobtrusive addition to your home. With an extraction rate of 85m³/hr (23 litres per second), it effectively removes steam and stale air, maintaining a fresh and comfortable environment. The fan is also compliant with Building Regulations Part F1 on ventilation, ensuring it meets the necessary standards for domestic use. Additionally, it operates on 220-240V AC at 50 Hz, consuming just 15W of power, making it an energy-efficient choice for your home. The Manrose LP100CSC 100mm Low Profile Circular Fan stands out for its combination of powerful performance, quiet operation, and stylish design. It is perfect for those looking to upgrade their bathroom or kitchen ventilation system with a reliable and aesthetically pleasing solution. Whether you are renovating your home or building a new one, this fan offers the perfect blend of functionality and elegance. Also available with a white cover (LP100CSW), this fan complies with Building Regulations Part F1 on ventilation, ensuring it meets the necessary standards for domestic use.