Carrier HK02YA450 Pressure Switch 320734-701 designed to replace numerous OEM

designed to replace numerous OEM liquid propane gas valves

It is recommended to match the 1/3 HP and 1100 RPM specifications exactly

ensure you are using the correct Macon steam air vent and valve configuration

This fitting requires 3R rigid rods or 3W wire-suspended electrodes to complete the sensing circuit

making it a reliable drop-in replacement for aging pneumatic controls in commercial facilities

Carrier HK02YA450 Pressure Switch 320734-701 designed to replace numerous OEMThe Carrier HK02YA450 High Pressure Switch is a critical safety component designed for HVAC high pressure cutout applications in commercial and residential systems. This SPST (Single Pole Single Throw) safety switch is calibrated to open at 660 PSI and reset at 505 PSI, ensuring the compressor and refrigerant circuit are protected against catastrophic failure due to excessive head pressure. Engineered for R 410A refrigerant compatibility, this manual