The Trappex Expansion Vessel Service Valve is a time-saving solution designed to simplify the maintenance and replacement of expansion vessels in heating systems. It allows the vessel to be easily isolated without draining the entire system, preserving valuable time, water, and chemical inhibitors.
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This versatile valve features a convenient filling loop adapter, enabling system repressurization, inhibitor addition, and controlled draining via a washing machine hose. Ideal for annual servicing, it ensures efficient maintenance while minimizing disruption to the heating system.