Using an R-22 valve on an R410A system will lead to improper mass flow rates and potential compressor damage due to the significant pressure differences between the two refrigerants

It should be positioned downstream of any other suction line controls

The precise sensing mechanism is calibrated to trigger only when improper venting is confirmed

providing technicians with a reliable solution for restoring system safety and consistent heat output

Antunes Controls 804114201 Pressure Switch Freon Using an R-22 valve onThe Antunes Controls 804114201 (Model HLGP D) is a specialized high low gas pressure switch designed for precision monitoring in commercial and industrial HVACR systems. Engineered with a dual circuit DPDT (Double Pole Double Throw) configuration, this manual reset pressure switch provides critical safety interlocking for burner circuits. The high gas pressure threshold is adjustable from 5 28" WC, while the low gas pressure side monitors ranges