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this control is designed to manage 120 VAC gas valves for both Liquid Propane (LP) and Natural Gas applications
which increases the risk of bypass or dynamic leaks
reducing overall seasonal energy efficiency
this heating element ensures precise compatibility with established York air handling units and furnace systems
you can briefly jumper the defrost pins on the control board to test the reversing valve and board logic
Dwyer Instruments DA-7031-153-9 Pressure Switch 323055-751 this control is designed toThe Dwyer Instruments DA 7031 153 9 Pressure Switch is a heavy duty Bourdon tube pressure switch designed for precision monitoring in industrial HVACR systems, pump control, and compressor applications. This Mercoid DA Series unit features a robust brass tube material and a 1 4" male NPT process connection, making it a reliable choice for liquid or gas service where compatibility is critical. Engineering grade repeatability of + 1% allows for
