Key Benefits Precise OEM Compatibility: Verified for use in Lochinvar Knight KBN and Shield AWN/SNR series for a seamless 187mm fit

Durable Construction: Heavy ASTM B584 bronze body and stainless steel springs provide longevity in harsh water conditions

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

Is this suitable for steam applications

York S1-025-38939-480 Heater 320788-704 Key Benefits Precise OEM Compatibility:The 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