Boiler / Gas Fire Parts
Boiler Parts

Air Pressure Switches
Air Pressure Switches for the most common boilers. An air pressure switch i..
See Products

Auto Air Vents
Auto air vents are used in heating sytems to automatically release air in t..
See Products

Clocks
Built in boiler clocks both digital and mechanical. Built in clocks are mou..
See Products

Condensate Components
Condensate components used in condensing boilers..
See Products

Control Knobs
Control Knobs for boilers and gas fires..
See Products

Diaphragms
Diaphragms for diverter valves and hydraulics. Diaphragms are used in the h..
See Products

Diverter Valves / Glands
A diverter valve is usually found in combi boilers. It allows for the water..
See Products

Electrical Parts
Electrical parts used in boilers, ror example: transformers, coils, wiring ..
See Products

Electrodes
Electrodes are used in boilers, gas fire and other gas appliance. There are..
See Products

Expansion Vessels
An expansion vessel is a tank used in heating systems and in boilers. It's ..
See Products

Fans
Most modern boilers incorporate a fan to expel the exhaust products of comb..
See Products

Filling Loops
A filling loop is used to pressurise a sealed heating system. Some of the n..
See Products

Flow Switches
A flow switch, also reffered to as a flow sensor or flow turbine is used to..
See Products

Fuses
Fuses are safety devices used to protect against the flow of excessive curr..
See Products

Gas Valves
Multifunctional gas valves for boilers and other gas appliances..
See Products

Gauges - Tempertature / Pressure
Pressure and temperature gauges for measurement. Found in boilers and on ce..
See Products

Heat Exchangers
Primary and secondary heat exchangers for gas boilers. Primary or main heat..
See Products

Isolation Valves
Isolation Valves for boilers..
See Products

Low Water Sensors
Low water pressure sensors / switches as the name suggests are used to tell..
See Products

Piezo Ignitor/Spark Generator
Piezo Ignitors / spark generators are used to provide a very high voltage t..
See Products

Printed Circuit Boards
Printed Circuit Boards or PCBs are the main control center of the boiler. I..
See Products

Pumps
Pumps or circulators are used to pump the water around the central heating ..
See Products

Repair Kits
Repair kits for diverter valves and hydraulic blocks in central heating boi..
See Products

Safety Valves
Safety Valves or pressure relief valves for boilers and central heating sys..
See Products

Thermisters
Thermisters are temperature sensors also known as NTC or PTC probes. They a..
See Products

Thermocouples
Thermocouples for central heating boilers. A thermocouple is used to detect..
See Products

Thermostats
Thermostats used in boilers to control the boiler or detect overheating. Co..
See Products

Washers and Gaskets
We hold a range of the most popular fibre and rubber washers for most heati..
See Products

Misc Spares
miscellaneous boiler parts..
See Products
Manufacturers
Select A Manufacturer

Alpha

Ariston

Baxi

Biasi

Chaffoteaux

Ferroli

Glowworm

Halstead

Heatline

Ideal

Jaguar

Main

Myson

Potterton

Protherm

Radiant

Ravenheat

Remeha

Saunier Duval

Sime

Thorn

Vaillant

Viessmann

Vokera

Worcester
Tools & Consumables
Tools

Cutting Wheels
Pipe clice cutting wheels..
See Products

Electrical
Electricians Tools..
See Products

Hand Tools
Here we have a selcection of hand tools including screwdrivers, pliers,hamm..
See Products

Nerrad Tools
Nerrad Tools..
See Products

Packs
Tool packs..
See Products

Pliers
Pliers and wrenches used plumbers..
See Products

Plumbing
Plumbing Tools..
See Products

Power Tool Accessories
Power tool accessories such as drill bits, screwdriver bits and jigsaw blad..
See Products

Power Tools
Power Tools..
See Products

Screwdrivers
Handy screwdrivers for the gas engineer. Stubby, long reach, flat,pozdrive ..
See Products

Torches and Lamps
Led Torches and lamps to help you see the light...
See Products

Tube Cutters
Copper and plastic tube cutters..
See Products

Protection
Protection and safety products for plumbers and gas engineers..
See Products

Electrical Testers
Electrical testers, multimeters and other testing equipment..
See Products
Consumables

Aerosols
Aerosols used by gas engineers. Gas leak sprays, Air dusters..
See Products

Lubricants
Lubricants such as silicone grease and gas cock grease..
See Products

Report Pads
Report pads and labels used by gas engineers..
See Products

Smoke Products
Smoke products such as smoke pellets and smoke matches..
See Products
Heating & Plumbing

Filters
Central heating filters to protect your heating system and boiler component..
See Products

Chemicals
Central heating chemicals to remove sludge and contaminants from your centr..
See Products

Brassware
Brassware such as automaic bypass valves, pressure reducing valves, TRVs..
See Products
Controls

Built in boiler clocks
Built in boiler clocks both digital and mechanical. Built in clocks are mou..
See Products

External Timers / Programmers
External programmers and timers both digital and mechanical. External progr..
See Products

Room Thermostats
Room thermostats for controlling the temperature in the house. Room thermos..
See Products

Smoke / Co Alarms
Smoke alarms and carbon monoxide alarms for the protection of your property..
See Products

Motorised Valves
Motorised valve for controlling the flow of water in central heating system..
See Products
Specials

Search

Search Criteria

Products meeting the search criteria

Product Compare0

Sort By:

Show:

Expansion Vessel Extension

Manufacturer: Other Product Code: EV211

Expansion Vessel Extension

Expansion Vessel Extension:Allows You To Leave The Filling Point Of The Expansion Vessel At The Desired Point In The Boiler Permanently. ..

£11.70

Showing 1 to 1 of 1 (1 Pages)

Important Cookie Information

This website uses cookies to improve your experience with us. By continuing to use the site you agree that we can save cookies on your device. Cookies are small text files placed on your device that remember your preferences and some details of your visit. Our cookies don’t collect personal information. For more information and details of how to disable cookies, please read our privacy and cookie policy.