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the 77SI model 0220081 is a standard cast iron unit intended for non-potable applications such as steam
making it ideal for processes requiring constant open/close cycles
Switch Configuration: Two SPDT snap-acting switches for simultaneous pump control and burner interruption
Verify the part number against your unit's data plate and ensure the existing motor is a constant torque ECM
Is this restrictor suitable for outdoor use
Rheem-Ruud SP20832E Gas Control 326070-701 the 77SI model 0220081 isFor service professionals maintaining Rheem Ruud power vent systems, the Rheem SP20832E Gas Control (Thermostat) is a high performance OEM replacement gas valve engineered for precise temperature management and safety. This Natural Gas (NG) control replaces obsolete or failing units like the WV8840C1406 and AP16910E, restoring reliable burner gas flow and consistent modulation. Designed specifically for residential power vent water heaters, this
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