Halstead 840504 Service Gland For Halstead Return Manifold 500554 500602
- Stock: In Stock
- Product Code: HARK515
- SKU: RK515
- Superceded No.: 500602 - 500554
- Part Number: 840504
£59.99
-
Boiler / Gas Fire Parts
Air Pressure Switches for the most common boilers. An air pressure switch i..
Auto air vents are used in heating sytems to automatically release air in t..
Built in boiler clocks both digital and mechanical. Built in clocks are mou..
Condensate components used in condensing boilers..
Control Knobs for boilers and gas fires..
Diaphragms for diverter valves and hydraulics. Diaphragms are used in the h..
A diverter valve is usually found in combi boilers. It allows for the water..
Electrical parts used in boilers, ror example: transformers, coils, wiring ..
Electrodes are used in boilers, gas fire and other gas appliance. There are..
An expansion vessel is a tank used in heating systems and in boilers. It's ..
Most modern boilers incorporate a fan to expel the exhaust products of comb..
A filling loop is used to pressurise a sealed heating system. Some of the n..
A flow switch, also reffered to as a flow sensor or flow turbine is used to..
Fuses are safety devices used to protect against the flow of excessive curr..
Multifunctional gas valves for boilers and other gas appliances..
Pressure and temperature gauges for measurement. Found in boilers and on ce..
Primary and secondary heat exchangers for gas boilers. Primary or main heat..
Isolation Valves for boilers..
Low water pressure sensors / switches as the name suggests are used to tell..
Piezo Ignitors / spark generators are used to provide a very high voltage t..
Printed Circuit Boards or PCBs are the main control center of the boiler. I..
Pumps or circulators are used to pump the water around the central heating ..
Repair kits for diverter valves and hydraulic blocks in central heating boi..
Safety Valves or pressure relief valves for boilers and central heating sys..
Thermisters are temperature sensors also known as NTC or PTC probes. They a..
Thermocouples for central heating boilers. A thermocouple is used to detect..
Thermostats used in boilers to control the boiler or detect overheating. Co..
We hold a range of the most popular fibre and rubber washers for most heati..
miscellaneous boiler parts.. - Manufacturers
-
Tools & Consumables
Tools
Pipe clice cutting wheels..
Electricians Tools..
Here we have a selcection of hand tools including screwdrivers, pliers,hamm..
Nerrad Tools..
Tool packs..
Pliers and wrenches used plumbers..
Plumbing Tools..
Power tool accessories such as drill bits, screwdriver bits and jigsaw blad..
Power Tools..
Handy screwdrivers for the gas engineer. Stubby, long reach, flat,pozdrive ..
Led Torches and lamps to help you see the light...
Copper and plastic tube cutters..
Protection and safety products for plumbers and gas engineers..
Electrical testers, multimeters and other testing equipment..Consumables
Aerosols used by gas engineers. Gas leak sprays, Air dusters..
Lubricants such as silicone grease and gas cock grease..
Report pads and labels used by gas engineers..
Smoke products such as smoke pellets and smoke matches.. - Heating & Plumbing
-
Controls
Built in boiler clocks both digital and mechanical. Built in clocks are mou..
External programmers and timers both digital and mechanical. External progr..
Room thermostats for controlling the temperature in the house. Room thermos..
Smoke alarms and carbon monoxide alarms for the protection of your property..
Motorised valve for controlling the flow of water in central heating system..
