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A lockout code specifically indicating "Flame Not Sensed" is often resolved by this part
it typically corresponds to this setpoint range
technicians often pair this with the Watts 70A-RK repair kit
OEM Compatibility: Replaces part numbers 47-25350-09
Modine 5H0730570002 Switch A lockout code specifically indicatingThe Modine 5H0730570002 is a high precision L260F M R Block Vent Switch engineered for critical blocked flue detection in industrial gas unit heaters. As a direct replacement for the legacy 5H73057 2, this OEM component integrates seamlessly into existing safety control strings. Designed as a manual reset limit switch, it monitors discharge air temperature at the vent, opening the circuit at 260F (L260F) to prevent hazardous combustion gas
