this assembly ensures consistent signal transmission for Lochinvar Knight and A

the 10W57 is engineered to replace legacy part numbers including R76700013 and R45632-001

the 20028405 part may require replacement

fitting most standard HVACR and process cooling requirements

Operating on a single-phase 460V line

ClimateMaster 13B0015N01 Pressure Switch 321894-708 this assembly ensures consistent signalThe ClimateMaster 13B0015N01 high pressure switch is a critical safety component designed for water source heat pump systems and geothermal cooling applications. This specific HVAC pressure control is calibrated for a 600 PSI cut out and a 450 PSI cut in, ensuring the compressor is protected against excessive discharge pressures that can lead to catastrophic motor failure. Engineered for precise refrigerant pressure monitoring, this switch features