Rheem-Ruud SP20867C Control 321894-706 The York S1-028-09985-700 Sheave is

The York S1-028-09985-700 Sheave is a precision-engineered single groove cast iron pulley designed for heavy-duty HVAC blower and motor assemblies

ensuring stable switching and consistent timing accuracy

Technical Compatibility: Direct replacement for MP8000 series components

The Williams 8915 Conversion Kit is a field-proven solution for converting 25096A Series Monterey Plus Top Vent Furnaces from liquid propane (LP) to natural gas

Utilizing this gas furnace propane conversion replaces the standard natural gas regulator springs and orifices with high-precision #56 propane orifices and the designated red-coded regulator spring

Rheem-Ruud SP20867C Control 321894-706 The York S1-028-09985-700 Sheave isThe Rheem Ruud SP20867C Control is a genuine OEM Combination Gas Control NG designed for high precision regulation of fuel flow in residential water heaters. As a direct replacement for AP18385B and the WV8860C1008 controller, this unit integrates a highly responsive thermostat control with a reliable safety shut off system. Engineered for Natural Gas water heater applications, the SP20867C gas valve serves as a critical interface for maintaining