York S1-025-50544-000 Heater 318973-401 When you need to replace

When you need to replace a worn 15/16 inch bore bearing

A humidistat

Ensure the motor rotation is correct and the fan blade is seated at the precise factory depth (typically 2-1/8 inches on some UD models)

this control ensures safe starts by accurately sensing flame presence and initiating a rapid lockout if the flame is not established within the TFI window

this Apollo 78-RV series valve effectively handles thermal expansion by venting excess pressure

York S1-025-50544-000 Heater 318973-401 When you need to replaceThe York S1 025 50544 000 is a heavy duty crankcase heater band engineered for commercial and industrial refrigeration and air conditioning systems. This heating element is rated for 480V and 70W, providing the specific thermal output required to maintain oil temperature within the compressor housing during off cycles. With a fixed 7. 3 inch diameter, this belly band heater ensures high surface area contact for efficient conductive heat transfer. Its