Lochinvar & A.O. Smith 100161835 Valve 322838-753 The Maxitrol RV48-1/2-512-12A04 is a

The Maxitrol RV48-1/2-512-12A04 is a professional-grade rubber seat poppet gas regulator engineered for main burner and pilot load applications in commercial and residential HVAC systems

For a full rebuild

replacing the boiling heating element assembly restores the 50K/90K BTU performance required for consistent water temperatures

Universal Compatibility: Fits standard 1-1/8 inch filter drier shells used in McQuay and Daikin industrial equipment

providing the necessary variable restriction for accurate utility metering and downstream safety

Lochinvar & A.O. Smith 100161835 Valve 322838-753 The Maxitrol RV48-1/2-512-12A04 is aThe Lochinvar & A. O. Smith 100161835 Air Metering Valve is a critical component for maintaining the precise combustion air to fuel ratio in high efficiency condensing boilers and water heaters. Engineered for exact modulation, this venturi air valve ensures the burner receives the correct airflow required for stable ignition and optimal thermal efficiency. It is a direct OEM replacement part designed to interface seamlessly with the blower assembly