Hayward UHXPOSHZ12504 4" Positive Pressure Indoor Vent Adapter for Universal H-Series H250 Pool Heaters 20' x 36' Available in 40 SqFt and

Available in 40 SqFt and 50 SqFt sizes

The bubble-layer technology efficiently traps heat and minimizes heat loss overnight

to support a smoother pool closing and reopening process

Polaris® has been a trusted name in pool maintenance for over 40 years

The Dunn-Rite PoolSport Stainless B950 is a high-quality

Hayward UHXPOSHZ12504 4" Positive Pressure Indoor Vent Adapter for Universal H-Series H250 Pool Heaters 20' x 36' Available in 40 SqFt andThe Hayward UHXPOSHZ12504 is a 4" positive pressure vent adapter built specifically for indoor use with Universal H Series H250 pool heaters. Designed to support efficient venting in pressurized systems, this component ensures safe exhaust flow in residential and commercial settings. Its compact 4 inch diameter helps manage airflow in smaller or tighter mechanical rooms without compromising on safety or compliance. Constructed from corrosion resistant