Utilizing this OEM Lennox heater ensures the system remains within original manufacturer specifications for airflow resistance and high-limit safety cut-out parameters

The unit utilizes a durable lead-free copper silicon alloy body and a stainless steel spring to ensure long-term structural integrity against corrosive water conditions

Does this switch require field adjustment

and on/off configurations

the 664435R may be cracked or internally obstructed

York S1-025-38939-480 Heater 320788-704 Utilizing this OEM Lennox heaterThe York S1 025 38939 480 Heater is a heavy duty crankcase band heater specifically engineered for industrial grade HVACR compressors. Operating at 480V with a 90W power output, this belly band heater provides consistent thermal regulation between 28. 7 35. 7C to prevent refrigerant migration during the off cycle. This essential York OEM replacement part is the functional successor to the S1 025 37424 460, ensuring high voltage systems maintain proper