Trane HTR15198 Heater 321702-401 The module features internal dip-switches

The module features internal dip-switches that allow the technician to toggle between 4-20mA and 0-10V analog signals based on the controller output

replacing legacy part numbers 9003892005 and 183523-0

As a veteran-grade certified line pressure regulator

this is the top panel component of the blower housing assembly only

using a genuine OEM furnace part is recommended to ensure the -0

Trane HTR15198 Heater 321702-401 The module features internal dip-switchesThe Trane HTR15198 Heater is a critical OEM crankcase heater engineered for 230V commercial and residential compressor applications. As a veteran technician knows, maintaining crankcase oil temperature is the first line of defense against refrigerant migration during system off cycles. This 100W resistance heater provides stable, concentrated heat to ensure that refrigerant remains in a vapor state within the compressor shell, preventing the diluted