Hayward Universal H350FD Negative Pressure Indoor Vent Adapter (UHXNEGVT13501) plugs The #10 screw format helps

The #10 screw format helps define the intended hardware relationship

and this Jacuzzi Cygnet 0

5 kW output helps restore dependable high-output heating

The 8 AWG sizing gives this terminal practical value because stud-mounted connections work best when the terminal matches both the conductor size and the attachment hardware

Hayward Universal H350FD Negative Pressure Indoor Vent Adapter (UHXNEGVT13501) plugs The #10 screw format helpsThe 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