Hayward Universal H350FD Negative Pressure Indoor Vent Adapter (UHXNEGVT13501) plugs Improves comfort and overall system

Improves comfort and overall system confidence

and help protect the surrounding surfaces from the kind of wear that often comes from using general-purpose tools in tight spaces

The #10 screw format helps define the intended hardware relationship

Supports mixed-size connections

Hayward Universal H350FD Negative Pressure Indoor Vent Adapter (UHXNEGVT13501) plugs Improves comfort and overall systemThe 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