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Enhanced System Safety: Includes integrated shut-off mechanisms to prevent hazardous gas leaks during flame failure or power loss
When integrated into the system’s refrigerant circuit
If the board receives a signal but fails to close the relay to the blower
Most OEM blower wheels like the 1173813 come with the integrated hub and set screw for secure mounting to the motor shaft
Modine 5H0799460000 Limit Switch 322056-301 Enhanced System Safety: Includes integratedThe Modine 3H0799460000 (L137F M R) is a critical manual reset high limit switch engineered for commercial unit heaters and HVAC safety circuits. Designed to monitor heat exchanger temperatures, this Modine OEM replacement part interrupts the electrical circuit if the internal temperature exceeds its 137F set point. As a high limit control, it prevents equipment damage and potential fire hazards by shutting down the gas valve in the event of an
US$ 35.99
US$ 59.50
US$ 190.88