The L145-30 designation means this is a limit control that opens the electrical circuit when it senses a temperature of 145°F and automatically closes (resets) after the temperature drops by 30°F

manifold pressure regulator springs

utilizing this original equipment manufacturer part ensures the connection meets factory specifications for thermal resistance and conductivity

System Reliability: Eliminates nuisance ignition failure codes and short-cycling caused by weak or intermittent microamp signals

Modine 5H0799460000 Limit Switch 323055-751 The L145-30 designation means thisThe 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