Marvair 70656 Switch 321894-709 The vertical mount PSD010B features

The vertical mount PSD010B features a large backlit LCD for visibility in low-light utility spaces and utilizes a two-wire 24V/millivolt compatibility

System Protection: Acts as a safeguard against flood-back

it is primarily engineered for Lennox commercial equipment

When performing a Browning sheave replacement

This direct drive blower motor supports flexible installations with its dual voltage 120/240V capability

Marvair 70656 Switch 321894-709 The vertical mount PSD010B featuresThe Marvair 70656 High Pressure Switch is an essential OEM safety component designed for high side protection in specialized environmental control units and commercial HVAC systems. This High Pressure Cutout Switch features a normally closed (N C) configuration, engineered to interrupt the compressor contactor circuit when head pressures reach critical levels. With a high limit 660 PSI cutout and a 450 PSI reset, this Marvair replacement part prevents