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Always verify sensor resistance against a temperature chart before condemning the board
this unit offers exceptional stability and resistance to drift
75 NPSM threads for direct integration with standard Siemens combustion hardware
verified for use in harsh HVACR duty cycles
How do I measure the BX173 for replacement
Marvair 70080 Pressure Switch 322057-301 Always verify sensor resistance againstThe Marvair 70080 is a critical safety component engineered for Marvair HVAC units and wall mounted air conditioners. This OEM high pressure switch is factory calibrated to maintain system integrity by monitoring high side refrigerant pressures. The Marvair 70080 pressure switch utilizes a precise 400 PSI open 300 PSI close logic, ensuring that the compressor is immediately cut off during an overpressure event and automatically reset once pressures
