For contractors performing field repairs

providing reliable performance in continuous furnace or air handler operation

Technicians may momentarily jump the switch during HVAC troubleshooting to confirm a failure

this assembly ensures consistent signal transmission for Lochinvar Knight and A

the 20028405 part may require replacement

ClimateMaster 13B0015N01 Pressure Switch 321894-708 For contractors performing field repairsThe 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