What causes a 250F M/R switch to trip repeatedly

Direct OEM Fitment: Eliminates cross-reference errors and wiring modifications often required with universal aftermarket controls

use a multimeter set to ohms

including electric baseboards

while the 241°F maximum temperature rating protecting the thermal element against system overshoots

Trane HTR12895 Heater 322055-301 What causes a 250F M/RThe Trane HTR12895 Heater is a professional grade belly band crankcase heater engineered to protect residential and commercial refrigeration compressors from liquid refrigerant migration during off cycles. Operating at 230V with a 40W power output, this 6. 5" diameter heater maintains oil temperature above the refrigerant saturation point, ensuring optimal lubricant viscosity and preventing "slugging" on startup. Designed specifically for HVACR