Hayward Universal H350FD Negative Pressure Indoor Vent Adapter (UHXNEGVT13501) plugs 5 kW output helps restore

5 kW output helps restore dependable high-output heating

this skimmer lid helps restore dependable top access coverage and contributes to a cleaner finished appearance overall

Improves comfort and overall system confidence

helping users adjust each feature without confusion

Hayward Universal H350FD Negative Pressure Indoor Vent Adapter (UHXNEGVT13501) plugs 5 kW output helps restoreThe Hayward indoor vent adapter is designed for compatible Universal H350FD heater applications where a negative pressure indoor vent setup needs the proper transition fitting. An adapter like this is useful because it helps establish a more complete connection between the heater and the venting system for indoor installations. This replacement is especially useful when the original adapter is missing, damaged, corroded, or no longer appropriate for