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Ships within 48 hours · Estimated delivery Oct 16 - Oct 21
and T921 series
Smith residential water heater models
Durability: Heavy-wall construction handles high-pressure water inlets (20-90 PSI) without deformation or fatigue
Direct-fit OEM replacement for Weil McLain GV Series units
McDonnell & Miller 312200 Gasket and T921 seriesMaintaining the integrity of boiler water feeders and liquid level controls requires high performance sealing components designed for steam and hydronic environments. The McDonnell & Miller 312200 Gasket is a critical replacement valve bracket gasket engineered specifically for Series 21, Series 25A, and Series 27 units, including the 27W model. As the direct updated version for 311100, this part ensures a precision fit for mechanical water feeder
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