Alpha 1.010771 240, Cb, Cd Auto Air Vent
This Alpha Automatic Air Vent 1.010771 ensures air is removed from the central heating water within the boiler automatically. This replaces part No. 6.5625830, 6.56000731A.
This Alpha Auto Air Vent is the part in the boiler that removes air from the boiler and the central heating water automatically. It ensures that air can?t get trapped within the boiler preventing the boiler from overheating.
The term OEM stands for "Original Equipment Manufacturer" this part is an original part and was bought from the Original manufacturer of the part.
What does that really meanr a boiler manufacturer such as Wocester Bosch, Baxi, Glowworm etc.
Below is an example:
Gas Valves on most British Gas Boilers are made by Honeywell, Sit, White Rogers etc. This means that these manufacturers are the OEM for the Boiler Manufacturers, so as long as the original part is purchased (Honeywell, Sit, White Rogers) from the OEM it can be sold as an original OEM product.
OEM parts are also referred to as After Market Parts.