Check for flue obstructions or a cracked heat exchanger if the switch trips during a call for heat

and SR series burners

This is an automatic reset thermal switch

Normally Closed (N/C) solenoid valve designed for liquid

featuring 2 setpoint windows to allow for clear visibility of heating and cooling dials

Heatcraft Refrigeration 29318401 Coil 319847-401 Check for flue obstructions orThe Heatcraft Refrigeration 29318401 Coil is a high performance Alco AMC replacement solenoid coil engineered for precise fluid flow regulation in commercial refrigeration systems. Built for the rigors of field service, this 208 240V 50 60Hz solenoid coil features an 86 inch wire lead for versatile installation across large scale evaporator and condenser units. Designed for maximum thermal efficiency and high dielectric strength, it ensures reliable