Always verify terminal positioning and baseplate dimensions against the existing unit before finalizing the burner repair

The 3/8" sweat (ODF) connections and rugged steel shell with a corrosion-resistant epoxy powder finish ensure structural integrity

Direct OEM Compatibility: Engineered to replace obsolete 47-21777-05 and 47-21777-10 units without field modification

Can I use this for hot surface ignition (HSI) or direct spark (DSI)

it can lead to intermittent "Status Code 31" or "Status Code 14" errors

Weil McLain 382-200-451 Kit Els PW 17895 Always verify terminal positioning andThe Weil McLain 382 200 451 Conversion Kit is a critical field upgrade designed to transition legacy boiler systems from Hot Surface Ignition (HSI) configurations to a more reliable Spark Ignition (SI) Gold Control system. This kit allows for the replacement of aging Honeywell, Fenwal, and White Rodgers HSI modules, which often suffer from premature igniter failure and inconsistent flame rectification. By upgrading to the Gold Control SI, contractors