Favourites
Account
Basket
VAT:
Ex
Inc
45 years of trusted expertisePipes, Hoses, Tubing & Fittings
Filters
Shop By
Type
Brand
Colour
Finish
Width
Length
Height
Price
Please select your collection branch...
Please enter your delivery address...
Source genuine OEM replacement pipes, flexible hoses, and silicone tubing to complete reliable boiler repairs and routine servicing. We stock durable, heat-resistant fittings and internal pipework compatible with all major domestic and commercial heating appliances.
Showing 1—30 items of 691
Routing water and gas safely within a boiler casing requires precision components designed to withstand extreme temperature fluctuations and constant system pressure. Our dedicated range of replacement boiler pipes, braided hoses, and flexible tubing provides heating engineers with the exact manufacturer approved parts necessary to resolve internal leaks and degraded connections. Whether you are replacing a hardened silicone tube on an air pressure switch or fitting a new internal copper return pipe, using genuine OEM spares guarantees a secure, watertight, and gas-tight fit. Supplying accurate replacements for leading brands ensures that installers can complete intricate internal repairs efficiently, maintaining the critical safety tolerances specified by the original appliance manufacturer. By keeping these essential specific parts on hand, you can prevent minor weeping joints from escalating into costly internal water damage and ensure the long-term reliability of the heating system.
Frequently Asked Questions
Can I use standard silicone tubing for a boiler air pressure switch?
You must always use tubing that matches the specific thermal and dimensional tolerances of the original boiler component. Standard generic silicone tubing may collapse under suction or degrade rapidly when exposed to the high temperatures found inside a sealed boiler casing. Using the correct OEM pressure switch tubing ensures accurate fan proving and maintains the critical safety sequence required for the burner to fire correctly.
Why do internal boiler braided hoses leak over time?
Braided flexible hoses inside a boiler are subjected to constant thermal expansion, contraction, and high system water pressure. Over several years of continuous operation, the internal rubber or EPDM core can harden and perish, leading to microscopic splits that eventually present as a visible weep. Replacing these degraded hoses with genuine manufacturer approved components restores a permanent seal and prevents water from dripping onto sensitive electrical components like the printed circuit board.
Do I need a Gas Safe qualification to replace internal boiler pipes?
Yes, any repair that involves removing the room-sealed casing of a gas boiler and dismantling internal components must be completed by a registered Gas Safe engineer. Replacing internal pipework, hoses, or brass fittings often disturbs the combustion circuit or primary gas routing within the appliance. A qualified engineer has the necessary training to complete the repair safely and will conduct the required tightness and combustion tests before returning the boiler to service.