This 2-stage pressure switch (Model 104549-04) is factory-calibrated to monitor vital combustion air pressures

such as sharp bends or crimps

Multi-Fuel Compatibility: Operates efficiently with Natural Gas

We recommend inspecting the collector box and inducer gaskets during teardown and replacing them if they show signs of heat degradation to ensure a proper seal

such as the 550 or 750 series

Aaon R83541 Gas Valve 323055-751 This 2-stage pressure switch (ModelThe Aaon R83541 Gas Valve is an essential OEM component designed for high performance HVAC gas valve replacement in commercial rooftop units and furnaces. This 1 2" 24V gas valve is engineered specifically for Aaon rooftop units, providing precise control over natural gas flow to ensure optimal atmospheric combustion and system safety. Constructed from durable stamped brass, the Aaon R83541 is built to withstand demanding environments while