this switch trips due to reduced static pressure

this valve utilizes a 5/32" orifice to maintain consistent flow rates under varying pressure differentials

the thermostat operates in direct acting mode for heating

Contractor Grade: Built with durable solid-state electronics to withstand the high-temperature environment of an HVAC blower compartment

40" WC set point ensures exact compliance with Lennox inducer draft requirements

Schneider Electric (Barber Colman) TA-3441 Thermostat 318172-701 this switch trips due toThe Schneider Electric (Barber Colman) TA 3441 Thermostat is a heavy duty low limit control engineered for precision temperature monitoring in commercial HVACR systems. Designed to protect vital components from freezing or excessive temperature drops, this manual reset thermostat features a 35F to 59F setpoint range, making it ideal for duct and immersion thermostat applications in tanks, liquid lines, and 1 2" piping. A veteran technician will