The rugged construction makes it a staple for contractors maintaining Johnson Controls and York equipment

The most common causes are restricted airflow due to a dirty air filter

While the switch can be manually reset

The Honeywell 396221 Conversion Kit is a critical field component for technicians needing to transition single-stage gas valves from natural gas to LP (liquid propane)

For field technicians performing annual maintenance or boiler repairs

System Sensor DST5 Tube The rugged construction makes itThe System Sensor DST5 is a high performance metal duct sampling tube engineered for reliable smoke detection in heavy duty HVACR environments. Designed specifically for duct widths from 4 ft to 8 ft, this 5 foot steel tube is a necessary gas smoke detection accessory for any technician installing Conventional and Intelligent Duct Smoke Detectors. Unlike plastic alternatives, this InnovairFlex DST5 sampling tube features durable metal construction