Hayward Universal H400 Indoor Vent Adapter 8" (UHXNEGVT14001) pumps A spring check valve helps

A spring check valve helps control one-way air flow in a compatible plumbing or pneumatic setup

0 horsepower fit

This overlay is intended for specific VL403 layouts only

and continuous operational stress

improving control during service and reducing the chance of damaging surrounding parts

Hayward Universal H400 Indoor Vent Adapter 8" (UHXNEGVT14001) pumps A spring check valve helpsThe Hayward indoor vent adapter is designed for compatible Universal H400 heater applications where an 8 inch indoor vent transition is needed. An adapter like this is useful because it helps connect the heater to the indoor venting system in a cleaner, more compatible way, supporting a more complete installation. This replacement is especially useful when the original adapter is damaged, corroded, missing, or no longer appropriate for the venting