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The Maxitrol R400S-1/2 Gas Regulator is a double diaphragm balanced valve design engineered for high-performance pressure regulation in residential
Exceptional Durability: High-grade bronze impeller construction resists erosion and chemical degradation in circulating systems
the DPDT contacts are rated to switch up to 240VAC or 30VDC
Using a genuine Lennox 49W63 ensures the pressure differential requirements and solenoid wattage align perfectly with the original equipment specifications
verify the tubing is clear before replacing the 5H0735910002
Aaon R78270 Inducer Assembly 319847-401 The Maxitrol R400S-1/2 Gas RegulatorThe Aaon R78270 Inducer Assembly is a high performance direct drive blower engineered specifically for technical HVACR applications requiring precision airflow. Operating at 208 230V with a powerful 3200RPM motor, this OEM replacement part is essential for maintaining optimal combustion and ventilation within Aaon industrial heating units. Unlike generic alternatives, the R78270 inducer motor features a robust Fasco motor design with a pre installed 3