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providing reliable combustion air proving and preventing operation under restricted flue conditions
preventing hunting and maintaining setpoints under varying load conditions
the high-pressure switch employs a SPDT contact system that provides rapid snap-action switching
Reliable Sensing: The dual 1/4" barb design supports both positive and negative pressure lines for accurate airflow monitoring
reducing field time during thermostat replacement or new system commissioning
Schneider Electric (Erie) VT2223G23B020 Valve Assembly 320819-301 providing reliable combustion air provingThe Schneider Electric (Erie) VT2223G23B020 Valve Assembly is a professional grade two position zone valve designed for demanding hydronic heating and cooling applications. Built with the industry standard Erie PopTop actuator, this normally open assembly enables seamless 120Vac operation with a reliable spring return fail safe mechanism. The 1 2" brass body features standard NPT threaded connections and a 3. 5 Cv flow coefficient, ensuring efficient