Automatic air vent designed for Main Eco and Eco Elite boiler systems. Removes trapped air from the heating circuit to maintain optimal system performance and efficiency. Essential maintenance component that prevents airlocks and ensures consistent water circulation. Compatible with Main boiler models featuring standard air vent connections. Straightforward installation on the highest point of the heating system. Helps reduce noise and improve heat distribution throughout your property. Genuine replacement part for reliable, long-term operation.
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