Warranty Coverage: Hayward Parts come with a 1 Year Limited Manufacturers Warranty. The manufacturer warrants these parts against defects on workmanship and materials. This warranty will be void if these parts are damaged as a result of improper installation or use, or if damage is a result of ice. Warranty does not cover any labour charges, cost of lost water or chemicals, or any other damages that may occur.

THIS PRODUCT IS IN AN OPENED BOX AND HAS BEEN REPACKAGED AND HAS SOME SCRATCHES ON IT, BUT HAS NOT BEEN USED - SEE PRODUCT PHOTOS FOR VALIDATION OF PRODUCT CONDITION - IT INCLUDES A FULL MANUFACTURER’S WARRANTY

All Items Listed, Described and/or Sold as "Open Box" are Final Sale *(unless missing parts or defective)

The Hayward Universal H-Series Low Nox is designed specifically for either a positive-pressure or negative-pressure venting system, both have their own factors that determine which one is the best fit.

Negative is strictly for a vertical, straight up, or partially straight up venting system, where there is minimal condensation due to the heat lifting and rising up with the formation of the vent pipe.

The Universal H-Series is an energy efficient, high performance, and installation adaptable.

• Standard Cupro Nickel Heat Exchanger
• Excellent Salt Water and chemical Corrosion Resistance
• Exclusive 'Totally Managed' Cupro Nickel Heat Exchanger Water Flow
• Same Water Velocity Through All Tubes for Faster Heating
• Patented Header By-Pass Design
• Up to 18% Savings by Reducing Pump Run-Time
• 2inx 2 1/2in CPVC Union Plumbing Connections
• Common Union for Installation or Service, Adapts to Larger Plumbing Recommended for Greater Efficiencies
• Low NOx Emissions - Meets Clean Air Quality Standards
• Vent pipe material: single or double wall galvanized non-sealed vent pipe.
• Vertical termination above roof of house or building.

Fits the Hayward Universal H-Series Low Nox models W3/H200FDN and W3/H200FDP.