Marvair 70656 Switch 321894-709 System Protection: Acts as a

System Protection: Acts as a safeguard against flood-back

Common Questions What oil must be used with R-448A

This gas furnace conversion should only be performed by a licensed professional to ensure correct manifold pressure settings and leak-free operation

If your application requires remote electrical reset

When performing a Browning sheave replacement

Marvair 70656 Switch 321894-709 System Protection: Acts as aThe 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