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
For Insta 360 X3 Lens Guard Screen Protector Film Set, Anti-Scratch Lens Guards Dual-Lens 360 Mod for Insta360 X3 Accessories
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
Metal Dust Guard Sticker Case for Apple AirPods Pro 2 Dust Guard Protective Anti-scratch Earbuds Film Headphone Box Accessories
Aliexpress UK
Safeguard your boiler and flue against wind, rain, and adverse weather conditions with this easy-to-install cover. Black 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
For Psvita PS Vita PSV 1000 2000 Tempered Glass Clear HD Screen Protector Cover Protective Film Guard Resistant Guard 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 Cut Off Machine Transparent Guard 28cm Electric Mitre Blade Guard Replace For LS1040 Saw Aluminum Machine Power Tool Accesso
Aliexpress UK
COWLS ARE SUITABLE FOR ALL TYPES OF FIRES. CHIMNEY COWL BIRD GUARD MULTI FUEL. THE DESIGN HAS BEEN MODIFIED TO FIT DIFFERENT SIZE CHIMNEY POTS. spot welded and rivited prongs locate on the inside and out side of the chimney for added strenght.
eBay
Car New Energy Charging Port Rain Cover Rainproof Dustproof EV Charger Guns Protection Electric For VOYAH FREE 4 ZEEKR B H9I8
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
Rain Boot Earphone Glasses for Labubu V1/v2/v3 Rain Boot Doll Accessories Clothes Outfit Doll Wellington Boots for Labubu Dolls
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
EV Charger Port Cover Magnetic Electric Vehicle Charger Plug Rain Cover Car Vehicle Charging Port Rainproof Covers Snowproof
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
Charging gun rain cover, new energy electric vehicle charging pile rain cover 1-Pack, Tesla/NIO/BWM car charger universal waterp
Aliexpress UK