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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
This 5-pack of replacement boiler fuses is engineered for a precise fit within the Weil McLain Ultra
this OEM relay is the factory-specified replacement for part number S1-02423972000 and is designed to mount and wire directly into the original control panel slots
Precise Control: Minimizes hysteresis between the actuator stroke and valve stem
communicating directly with the integrated furnace control board to confirm burner ignition
Functional Devices TR50VA004 Transformer This 5-pack of replacement boilerThe Functional Devices TR50VA004 Transformer is a heavy duty 50VA power transformer engineered for multi tap versatility in commercial and industrial HVAC control circuits. This unit features a versatile primary voltage configuration, supporting 480 277 240 120Vac, with a standard 24Vac secondary output. Built for field flexibility, it utilizes a foot and dual threaded hub mount, allowing for secure installation in electrical knockouts or flat surface