Beckett Igniter 3713824U Coil 326058-757 it features a hermetically sealed

it features a hermetically sealed aluminum housing for superior thermal dissipation and includes internal pressure interrupters for terminal safety

designed to fit classic and modern Armstrong vertical in-line and suction configurations that reference these part numbers

Extensive Compatibility: Fits a broad range of Lochinvar and A

An open reading indicates a failed internal heater

Beckett Igniter 3713824U Coil 326058-757 it features a hermetically sealedThe Beckett 3713824U is a high duty 115V valve coil engineered specifically for Beckett CleanCut fuel pumps. Designed to replace or upgrade existing solenoid configurations (including the 21755U and Suntec 3713824), this coil provides the electromagnetic force required to actuate the internal piston for crisp fuel shut off and consistent ignition. In the field, a failing oil burner solenoid coil often causes delayed ignition or after drip; this