It is typically used to lock out a heat pump's supplemental heat strips when the outdoor temperature is above a specific balance point to save energy

By utilizing a factory-calibrated bimetal sensing element

For positive-only or negative-only sensing

Enhanced System Safety: Protects the heat exchanger from cracks and structural failure by monitoring internal air temperatures 24/7

ensuring the compressor does not slug liquid refrigerant during a freeze event

Lennox 60L27 TXV 30067439-890 It is typically used toThe Lennox 60L27 Thermal Expansion Valve (TXV) is a critical metering component designed for high tonnage residential and light commercial cooling systems. This 5 ton expansion valve is engineered to provide precise refrigerant control, ensuring optimal superheat levels across varying evaporator loads. Built with a durable brass body, the 60L27 features a 3 8" ODF inlet and a 1 2" ODF outlet, facilitating a robust braze in connection that eliminates