Modine 5H0673640001 Limit Switch 30067439-890 the "C" suffix typically denotes

the "C" suffix typically denotes a commercial packaging or updated revision code that does not impact technical compatibility

This model is equipped with 1/4" SAE female flare fittings

it handles high-temperature flue gases while minimizing operational vibration and decibel levels

allowing for flexible mounting positions without signal degradation

Recurring failure of an HVAC step-down transformer usually indicates a short circuit in the 24V wiring or a faulty contactor coil drawing excess amperage

Modine 5H0673640001 Limit Switch 30067439-890 the "C" suffix typically denotesThe Modine 5H0673640001 is a high limit security component engineered for precise thermal management in commercial heating units and industrial HVAC applications. This 210F CO M R limit switch (Cut Off, Manual Reset) is designed to interrupt the electrical circuit when internal plenum temperatures exceed 210F, providing critical overheat protection to safeguard heat exchangers and surrounding equipment. As the designated direct replacement for 5H67364