Always check the static pressure and filter condition when replacing a limit switch

The assembly is designed for both Natural Gas and Liquid Propane

check the red reset button on the upper thermostat

The Schneider Electric (Erie) AT33A030 Actuator is a robust

Honeywell TR50-5N Sensor R-449A Always check the static pressureThe Honeywell TR50 5N Sensor is a high accuracy, Sylk enabled wall module designed for seamless integration with Spyder, Stryker, and CIPer Model 30 controllers. Engineered for demanding Indoor Air Quality (IAQ) monitoring, this multi sensor device tracks CO2 concentration, relative humidity, and temperature through a single two wire communication bus, significantly reducing terminal labor and cabling costs. Its NDIR CO2 sensor provides reliable, long