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This HVAC pneumatic component integrates seamlessly into legacy and modern pneumatic control systems
the York S1-324-40880-002 is strictly rated for 240v operation
This switch
dry flange surfaces
designed to interface with the system's safety circuit right out of the box
Lennox 78H11 Thermostat 324846-701 This HVAC pneumatic component integratesAs a seasoned technician, you know that a frozen outdoor coil is a quick way to kill system efficiency and stress the compressor. The Lennox 78H11 is a critical heat pump defrost thermostat (L70 35F) designed specifically to regulate the defrost cycle in Lennox heat pump applications. This OEM Lennox replacement part features a fixed temperature range, initiating the defrost sequence when the liquid line or coil temperature drops to 35F and
