Lennox 63K10 Defrost Switch 322838-753 you must use an ASME

you must use an ASME Section I or VIII certified safety valve designed for vapor discharge

5 to 3-ton class compressor requires a 208/230V single-phase power supply and is built to withstand the rigorous demands of seasonal operation while maintaining low noise levels

providing the necessary phase shift to maintain motor torque and efficiency

using this HVAC replacement part guarantees compatibility and restores the original manufacturer's drainage efficiency for long-term residential climate control reliability

Universal Voltage Rating: Rated for up to 440 VAC

Lennox 63K10 Defrost Switch 322838-753 you must use an ASMEWhen you're servicing Lennox heat pumps, a failed Lennox 63K10 Defrost Switch is often the culprit behind iced over coils and compromised efficiency. This OEM Lennox replacement part is engineered for high accuracy temperature monitoring on the outdoor coil, ensuring the defrost cycle initiates exactly when needed to prevent frost accumulation. Built for commercial and industrial grade durability, this HVAC defrost control manages the thermal switch