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Enhanced System Safety: Prevents hazardous overheating conditions by interrupting the burner circuit during airflow restrictions
Engineered for a 5-inch motor diameter
leading to uneven hot or chilled water flow and increased energy consumption across the HVAC system
It can also indicate a cracked heat exchanger or gas pressure issues
this OEM-spec part is the standard for restoring full torque and efficiency to residential cooling units
Trane CNT3781 Limit Switch Enhanced System Safety: Prevents hazardousThe Trane CNT3781 is a precision engineered 180F CO Auto Limit Switch designed for high reliability thermal protection in commercial and industrial HVAC systems. Featuring a non adjustable fixed trip point at 180 degrees Fahrenheit, this high limit safety control occupies a critical role in the safety circuit, preventing heat exchanger damage by breaking the circuit upon detecting excessive discharge or internal temperatures. With a robust 10 7 8 inch
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