This can vary due to your boiler but for most purposes 75mm above the boiler flue. Protects your boiler from damaging rain ingress in heavy rain and wind. It was also protect your boiler in the event of guttering failure.
eBay
4PCS 16mm Radiator Pipe Collars Cover Triangle Valve Plastic Decorative Cover Round Snap Type Faucet Plumbing Pipe Cover
Aliexpress UK
This can vary due to your boiler but for most purposes 75mm above the boiler flue. Protects your boiler from damaging rain ingress in heavy rain and wind. It was also protect your boiler in the event of guttering failure.
eBay
1pc L Shaped Patio Sectional Sofa turn Angle Cover - Outdoor Furniture Cover, High Quality 210D Heavy Duty Garden Sofa Cover
Aliexpress UK
Black Boiler Flue & External Pipe Rain CoverSafeguard your boiler and flue against wind, rain, and adverse weather conditions with this easy-to-install cover. Key Features: Protects from rain ingress and prevents steam and gas blowback caused by strong winds.
eBay
Outsunny 3x4m Gazebo Canopy Replacement Cover, 2 Tier Top Roof UV Cover Garden Patio Outdoor Sun Awning (TOP COVER ONLY)
Aliexpress UK
This can vary due to your boiler but for most purposes 75mm above the boiler flue. Protects your boiler from damaging rain ingress in heavy rain and wind. It was also protect your boiler in the event of guttering failure.
eBay
1pc Heavy Duty Outdoor Furniture Cover Garden Couch 2 3 4 Seater Bench Seat Cover Oxford Fabric Garden Lawn Patio Cover 89/55cm
Aliexpress UK
This can vary due to your boiler but for most purposes 75mm above the boiler flue. Protects your boiler from damaging rain ingress in heavy rain and wind. It was also protect your boiler in the event of guttering failure.
eBay
Round Patio Furniture Covers,210D Heavy Duty Outdoor Furniture Covers Table Cover of Windproof, Waterproof, Anti-UV for Garden
Aliexpress UK
Not suitable for condensing boiler flues or coastal installations, due to corrosive effects of both types of installation. ZINC PLATED.
eBay
4 Set Radiator Pipe Collars Cover Kit 15mm Triangle Valve Plastic Decorative Cover White Black Faucet Plumbing Pipe Cover
Aliexpress UK
Tower Flue Components 11" Round Boiler Flue K3 Outlet Basket. Each spare part is covered by a comprehensive 6 month warranty. This guard is suitable for the majority of boilers. Appliance repairs must always be carried out by a suitably qualified engineer or technician.
eBay
Waterproof Replacement Umbrella Cloth 2/3M Patio Parasol Cover UV-Anti Canopy Cover Replacement Parasol Cover for Balcony Garden
Aliexpress UK
Safeguard your boiler and flue against wind, rain, and adverse weather conditions with this easy-to-install cover. Boiler Flue & External Pipe Rain Cover. UK Gas Safety Regulations mandate a minimum safe distance of at least 75mm above the flue pipe for proper dispersion of water vapour and gases emitted by the boiler.
eBay
Wash Basin Overflow Cover Wash Sink Hole Plug Water Level Rise Overflow Water Plug Bathtub Drainage Cover Overflow Cover
Aliexpress UK