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Key Benefits Exact OEM Fit: Drop-in replacement for the Williams 12B56
While functionally similar to other exhaust airflow regulators
ensuring high-pressure seal integrity
the remote flame sensor or the ignition lead should be inspected separately
Rheem-Ruud SP20732 Pressure Switch 323613-751 Key Benefits Exact OEM Fit:The Rheem Ruud SP20732 Pressure Switch is a critical OEM replacement part designed for precision monitoring in HVAC induction systems and water heater gas valves. Engineered with a single pole single throw (SPST) electrical configuration, this component ensures the draft inducer motor generates sufficient negative pressure before allowing the ignition sequence to proceed. It functions as a primary safety interlock, preventing gas release if venting
