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Hayward H250FDN Universal H-Series 250,000 BTU Pool and Spa Heater, Natural Gas, Low Nox

by Hayward
3.7 out of 5 stars 519 customer reviews

Price: $1,936.90 & FREE Shipping
Natural Gas
    This fits your .
  • Make sure this fits by entering your model number.
  • Standard Cupro nickel heat exchanger for superior value and reliability
  • Patented polymer header and bypass valve design for the ultimate in hydraulic efficiency and reliability
  • Hayward Universal design for easy and versatile professional installation
  • Environmentally responsible low NOx emissions to meet or exceed air quality emission standards in all Low NOx regions


Frequently bought together

  • Hayward H250FDN Universal H-Series 250,000 BTU Pool and Spa Heater, Natural Gas, Low Nox
  • +
  • Hayward SPX3200UNKIT Union Connector Replacement Kit for Select Hayward Pump and Heater
  • +
  • Hayward UHXNEGVT12501 Negative Pressure H250fd Indoor Vent Adapter Vertical Replacement Kit for Hayward Universal H-series Low Nox Gas Heaters
Total price: $2,137.20
Buy the selected items together

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Style: Natural Gas | Size: 250,000-BTU

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All Product Information Customer Q&A's Customer Reviews

From the manufacturer

BTU/HR 400,000 350,000 300,000 250,000 200,000 150,000
Thermal Efficiency 83% 83% 82.7% 83% 83% 82.7%
Width 36" 33" 30" 28" 25" 21"
Indoor Vent Pipe Diameter 6" 8" 8" 4" 6" 6"
Heater Weight (lbs.) 160 158 145 134 123 110
Gas Connection At Heater 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
Water Connections 2" x 2 1/2" 2" x 2 1/2" 2" x 2 1/2" 2" x 2 1/2" 2" x 2 1/2" 2" x 2 1/2"
Heat Exchanger Cupro Nickel Cupro Nickel Cupro Nickel Cupro Nickel Cupro Nickel Cupro Nickel

Product description

Style:Natural Gas  |  Size:250,000-BTU

Product description

Hayward's Universal H-Series 250,000 BTU Natural Gas Heater combines advanced technology with universal fit flexibility, making it the perfect heater for new or existing installations. This new design offers left-side or right-side electric, gas and water connections, with 110v or 220v electric hook up. This enhanced adaptability, coupled with a lightweight design, a modern low-profile appearance and front-panel only access required for both installation and service ensures compatibility with virtually all new or existing systems and equipment pad configurations. The Universal H-Series Heaters feature an easy to use digital LED control panel along with industry leading hydraulic performance for reduced circulation time. Low NOx emissions meet all current California and Texas air quality standards. Built to last, each heater utilizes Silicon Nitride Hot Surface Igniters, stainless steel burners, insulated combustion chambers and Cupro Nickel Heat Exchangers for superior durability. Features 2 x 2.5 inch CPVC union plumbing connections. For residential, natural gas use only, backed by a 1 year warranty.

From the Manufacturer

The Hayward Universal H-Series gas heater is the “universal” energy efficient remedy for any new or existing pool or spa. An industry leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18% when compared to less efficient competitors. The energy efficiency of the Universal H-Series gas heater combines with low Nox emissions, a standard Cupro nickel heat exchanger and ultimate installation flexibility on new or existing equipment pads to responsibly heat a pool or spa today and for years to come.

Product information

Style:Natural Gas  |  Size:250,000-BTU

Technical Specification

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]


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Customer Questions & Answers

519 customer reviews

3.7 out of 5 stars

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Showing 1-8 of 519 reviews

October 18, 2017
Style: Natural GasSize: 500,000-BTUVerified Purchase
71 people found this helpful
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June 18, 2018
Style: Natural GasSize: 400,000-BTUVerified Purchase
64 people found this helpful
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May 11, 2018
Style: Natural GasSize: 250,000-BTUVerified Purchase
51 people found this helpful
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October 4, 2016
Style: Natural GasSize: 350,000-BTUVerified Purchase
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107 people found this helpful
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April 28, 2017
Style: Natural GasSize: 300,000-BTUVerified Purchase
70 people found this helpful
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November 15, 2017
Style: Natural GasSize: 200,000-BTUVerified Purchase
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36 people found this helpful
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