Auto air vent brass 3/8 male- DIFF - 100019

The standard 3/8" brass air vent without a check valve allows air to be released from hydraulic circuits, helping to ensure smooth water circulation within the heating system.


Its brass construction ensures good corrosion resistance and durability suitable for domestic or commercial heating installations. It facilitates maintenance by helping to eliminate air pockets that can reduce the system’s efficiency.


Technical information:



DIFF replacement part for Worcester Bosch, ref : 87161405000.
Allows air to be removed from the heating circuit.
Helps maintain smooth and quiet circulation.
Designed for reliable and long-lasting operation.

Correct installation ensures effective air venting and optimises the operation of the heating system.


Safety information:


Before carrying out any work, switch off the power supply to the appliance and shut off the water and gas supplies.