HAYWARD Universal H-Series Propane Gas 400000 BTU Low NOx Pool Heater W3H400FDP

The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! Its ground-breaking hydraulic design reduces pump circulation run time， giving you an energy savings of up to 18%! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx capabilities. The Hayward Universal H-Series gas heater meets or exceeds the South Coast Air Quality Management District's (SCAQMD) Low NOx emission standards， making it ideal for use in states with strict air quality guidelines such as California. All Hayward heat exchangers are manufactured with highly resilient Cupro-Nickel， which increases the unit's durability and longevity， even under the harshest conditions. The durable， energy-efficient， and environmentally friendly Universal H-Series gas heater is an excellent， guilt-free solution for all of your pool and spa heating needs.

Model W3H400FDP

Cupr-Nickel heat exchanger with patented "V" baffle design increases the life of your unit and reduces heating time.

Patented Polymer Header design provides superior hydraulic performance which saves energy and protects against damage due to high flow conditions.

2" x 2 1/2" CPVC unions

Forced Draft System moves air through the combustion chamber at a precise flow rate， protecting unit from high-wind conditions.

Easy to Read LED Control Panel

Silicone Nitride Electronic Ignition System

110V/120V

For indoor installation， a vent kit must be purchased separately.

Professional Installation recommended

1 Year Warranty

California customers please note: South Coast Air Quality Management District's (SCAQMD) area of jurisdiction requires Low NOx heaters be installed. The following 6 California counties are affected: Los Angeles， San Bernardino， Ventura， Orange， Riverside， and Kern. Installing a non-compliant heater in these counties will void the manufacturer's warranty and could result in a fine from your local code enforcement.

Item cannot be refunded/returned without approval and authorization from Home Depot