as well as the 851S and 25A

By switching from liquid propane back to natural gas

sharing the same physical footprint and electrical specifications for a drop-in fit

it facilitates seamless troubleshooting

Does the full-port design affect system performance

Heil Quaker ICP 1178952 Pressure Switch 322027-701 as well as the 851SThe Heil Quaker ICP 1178952 Pressure Switch is an essential safety component engineered for high pressure cutout protection in residential and commercial HVACR systems. As an OEM refrigerant pressure switch, this part is designed to monitor system discharge pressure, providing a critical 660 PSI cutout to prevent compressor damage and 505 PSI automatic reset for resumed operation once stable parameters are met. Utilizing a 660 505# high pressure