The Rheem-Ruud AP10983-4 Vent Assembly is a critical OEM inducer blower motor designed for precise combustion air management in high-efficiency gas furnaces and water heaters

50" WC: Ensures the inducer fan is moving the exact volume of air required to vent flue gases safely

As a Single Pole Double Throw (SPDT) switch

It is compatible with a wide range of gases and liquids

By verifying flame rectification signals and managing the gas valve relay

Siemens Building Technology SKD82.51U Actuator 321894-708 The Rheem-Ruud AP10983-4 Vent AssemblyThe Siemens Building Technology SKD82. 51U Actuator is a heavy duty electro hydraulic valve actuator designed for precise flow control in demanding HVAC systems. Operating on a 24V AC power supply, this 3 position actuator provides reliable spring return functionality, ensuring the valve returns to its fail safe position during a power loss. Engineered for use with Siemens VF and VG valves, it features a 20 mm stroke and an integrated positioner for