Hayward Gas Valve, 150 to 400, Propane, Millivolt | HAXGSV0003 category_gas-grills allowing for easy installation without

allowing for easy installation without taking up unnecessary space

Bold Design: The Martillo features an impressive and bold style

ensuring longevity even in outdoor environments

Smart debris management: The mesh design keeps leaves and large debris out of the water while allowing rainwater to drain through

Vinyl finishing option for a seamless exterior integration with vinyl siding

Hayward Gas Valve, 150 to 400, Propane, Millivolt | HAXGSV0003 category_gas-grills allowing for easy installation withoutWhat This Part Is Used For The Hayward HAXGSV0003 Gas Valve is used in H Series heaters rated 150 to 400 and configured for liquid propane millivolt systems. It controls the flow of LP gas to the burner assembly. Why This Part Matters A faulty gas valve can prevent ignition or cause unsafe flame conditions. Replacing the valve restores proper gas regulation and safe combustion. Reliable gas control is critical for heater startup and consistent heating