Hayward Diffuser | SPX2800B Pool Cover Pumps The Hayward HAXGSV0003 Gas Valve

The Hayward HAXGSV0003 Gas Valve is used in H Series heaters rated 150 to 400 and configured for liquid propane millivolt systems

Energy-efficient operation suitable for supplemental room warmth

it delivers the precision needed for efficient operations in commercial and residential settings

Easy installation with straightforward mounting to standard pole bases

Hayward Diffuser | SPX2800B Pool Cover Pumps The Hayward HAXGSV0003 Gas ValveWhat This Part Is Used For The Hayward SPX2800B is a diffuser used inside compatible Hayward pump wet ends. It surrounds the impeller and guides water through the internal flow path. This part is installed behind the strainer housing area as part of the pumps hydraulic assembly. Why This Part Matters A worn or cracked diffuser reduces efficiency and can change filter pressure readings. Poor internal flow can lead to weak returns and noisy operation.