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Hayward W3H400FDP Propane, 400,000 BTU Universal Propane Pool and Spa Heater

Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Thumbnail Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Thumbnail Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Thumbnail Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Thumbnail Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Thumbnail Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Thumbnail Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Thumbnail Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward
Available Options
Current
Propane, 400,000 BTU
Propane, 400,000 BTU
Amazon
$4,499.00
Available to order

For pool owners who want to extend their swim season without high energy bills, the Hayward Universal H-Series propane heater keeps your in-ground pool or spa warm and inviting. Imagine enjoying a comfortable dip on a crisp fall evening—this heater makes that possible with efficient, reliable performance.

Its cupro nickel heat exchanger resists corrosion from unbalanced water, so you avoid premature failures and costly repairs. The industry-leading hydraulic design cuts pump run time, saving you money on electricity. With front-panel-only access and an intuitive control pad, setup and adjustments are straightforward, letting you focus on relaxation.

Low NOx emissions meet strict air quality standards, making it an eco-friendly choice for any backyard. Compatible with propane systems, it delivers consistent heat even in cooler temperatures, ensuring your pool or spa is always ready when you are.

Features
  • Premium heating performance for reliable comfort
  • Cupro nickel heat exchanger for corrosion protection
  • Industry-leading hydraulic design for energy savings
  • Front-panel access and intuitive control pad
  • Low NOx emissions for environmental compliance

Product details

General specs

  • Brand: Hayward
  • Model: W3H250FDN
  • heat_exchanger_material: Cupro nickel

If you are interested in more details, you can find full information on the seller's page.

Amazon Buy on Amazon #publicidad
$4,499.00
Last price update: 11/9/25
Available to order
Price History for seller Amazon
Date Price
11/9/25 $4,499.00
5/10/25 $4,199.00

Shipping options

Delivery to United States
Available
Available Options
Universal 250,000 BTU Natural Gas Pool and Spa Heater — Portable Heating Solutions, Hayward Natural Gas, 250,000 BTU Amazon $3,699.00 Available View
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward Propane, 400,000 BTU Amazon $4,499.00 Available Current

Video Reviews

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Color
Rating
(2)
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(5)
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Price $4,499.00 $69.99 $3,449.00 $4,499.00 $38.99 $4,540.00
Seller Amazon Amazon Amazon Amazon Amazon Amazon
Update December 6, 2025 December 6, 2025 December 6, 2025 December 6, 2025 December 9, 2025 December 6, 2025
product_dimensions 33.3 x 32.8 x 30.6 inches 39.6 x 32.8 x 30.6 inches 44 x 34 x 31 inches
item_weight 161 pounds 195 pounds 0.01 ounces
Universal Propane Pool and Spa Heater — Swimming Pool Heaters, Hayward

Universal Propane Pool and Spa Heater

$4,499.00

Reviews

4
(2 reviews)
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Mathieu Garcia
Mathieu G. FR Toulouse
May 21, 2025
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