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It is not recommended for high-magnesium alloys (like 5000 series) or casting alloys where the magnesium content exceeds 2
the internal plunger is likely failing to seat properly
The MARS 12821 features a standard round diameter that is compatible with most OEM and universal mounting straps
While it serves as a standard 3/8" liquid valve
Williams P323419 Pilot Assembly It is not recommended forThe Williams P323419 Pilot Assembly is a critical OEM replacement component engineered specifically for Liquid Propane (LP) heating systems. As a veteran grade LP Pilot Assembly, this unit is designed to interface seamlessly with the Williams Forsaire Series, including Direct Vent models (4007, 5507, and 6007) and Top Vent furnaces like the 3508231. This assembly ensures precise gas flow control and stable pilot flame maintenance, which is essential