Dwyer Instruments DA-7031-153-9 Pressure Switch 323055-751 and 695-R02 models

and 695-R02 models

you can briefly jumper the defrost pins on the control board to test the reversing valve and board logic

reducing overall seasonal energy efficiency

maintaining efficient startup and continuous performance in Trane and American Standard HVAC equipment

Dwyer Instruments DA-7031-153-9 Pressure Switch 323055-751 and 695-R02 modelsThe 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