Illinois 0037100 Steam Trap 318973-401 Common Questions What are the

Common Questions What are the signs that my pressure switch has failed

this is specifically a direct ignition gas valve and does not have a pilot gas outlet

Variable Speed Control: Direct integration with the system control board allows for precise airflow management and improved indoor air quality

the motor's internal bearings have likely seized

replacing brittle or flattened 96451 isolators is a primary troubleshooting step when a unit heater is producing disruptive mechanical noise or cabinet rattle

Illinois 0037100 Steam Trap 318973-401 Common Questions What are theThe Illinois 0037100, also identified as the Watts WFT 15, is a heavy duty 3 4" float and thermostatic steam trap engineered for reliable condensate removal and continuous air venting in low pressure systems. Featuring a rugged cast iron body and an H pattern design, this trap is specifically built for steam main drips, unit heaters, and heat exchangers where rapid air elimination is critical during startup. The internal stainless steel float and