Illinois 0037100 Steam Trap 318973-401 Broad Compatibility: Drop-in interchangeable ignition

Broad Compatibility: Drop-in interchangeable ignition control for legacy BG and G series models

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

significantly reducing the risk of relief valve failure

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

Illinois 0037100 Steam Trap 318973-401 Broad Compatibility: Drop-in interchangeable ignitionThe 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