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🌊 Dive into Comfort with Hayward's Premium Heating!
The Hayward W3H400FDN Universal H-Series is a high-performance natural gas heater designed for in-ground pools and spas, featuring a powerful 400,000 BTU output, a corrosion-resistant cupro nickel heat exchanger, and an energy-efficient hydraulic design that reduces operational costs while ensuring eco-friendly performance.











| ASIN | B07SQ2MDQQ |
| Best Sellers Rank | #61,660 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #6 in Swimming Pool Heaters |
| Customer Reviews | 4.1 4.1 out of 5 stars (178) |
| Item Weight | 195 pounds |
| Item model number | W3H400FDN |
| Manufacturer | Hayward |
| Product Dimensions | 29.5 x 34 x 24 inches |
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