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Hayward

Hayward W3H200FDN Universal H-Series 200,000 BTU Natural Gas Pool and Spa Heater for Inground Pool Heating

  • Based on 564 reviews
Condition: New
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Availability: In Stock.
Fulfilled by In The Swim Pool Supplies
Arrives May 5 – May 10
Order within 21 hours and 1 minute
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Size: 200,000 BTU (W3H200FDN)


Features

  • EASY TO USE: Intuitive inground pool heater control panel enables easy operation and maintenance. The digital LED display helps maintain pool water temperature while monitoring pool water heater performance with self-diagnostic capabilities
  • MULTIPLE COVERAGE OPTIONS FOR POOLS AND SPAS: This gas pool heater and pool and spa heater suits in-ground pools and spas up to 600 sq ft with a natural gas connection; additional models cover 450, 750, or 1,200 sq ft
  • ENERGY SAVING AND BUILT TO LAST: Efficiently designed pool heater for inground pools helps deliver consistent hot water for swimming pools, reduce pump run time for energy savings, and protect against corrosion caused by unbalanced water chemistry
  • SIMPLE INSTALLATION: This 200,000 BTU Hayward natural gas pool heater allows flexible gas and electric connections on the right or left side, with an H-Series built-in 3/4" gas connection for easier fuel line setup
  • LOW ENVIRONMENTAL IMPACT: Hayward gas pool heaters for inground use are certified for low-NOx emissions and eco-friendly operation, reducing circulation pump run time while delivering a reliable swimming pool heater solution for inground pools

Description

The Universal H-Series 200,000 BTU Natural Gas Pool & Spa Heater from Hayward provides reliable, long-lasting comfort for pools and spas with a surface area of up to 600 ft. Built with a durable cupro nickel heat exchanger, it offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry, ensuring you get season after season of premium heating performance. The Universal H-Series boasts industry-leading hydraulic performance coupled with lightning-fast speed-to-heat capability— so you spend less time waiting, and more time swimming. Its low NOx emissions meet air quality standards in all low-NOx areas, so you can rest easy knowing its environmental impact is low, too.

Product Dimensions: 33.3 x 32.8 x 30.6 inches


Item Weight: 161 pounds


Manufacturer: Hayward


Item model number: W3H200FDN


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 5 – May 10

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Top Amazon Reviews

    • Great heater
Size: 200,000 BTU (W3H200FDN)
Easy to Install and works great heating the pool. Installation was a breeze. Started up first time and heats up our 30ft round pool a couple degrees per hour. Great replacement for my old Hayward Millivolt heater that lasted 20 years.
Reviewed in the United States on May 27, 2024 by Jeffrey Lawlor
    • Disappointed in Hayward
Size: 200,000 BTU (W3H200FDN)
Heat Exchanger failed just out side of the year mark even after proper winterizing. Warranty would not cover new part or labor.
Reviewed in the United States on March 9, 2026 by Jennifer Fisher
    • Quick delivery & easy to install!
Size: 200,000 BTU (W3H200FDN)
This came in 2 days, even though shipping said a week. It was delivered right to my driveway. Install was simple and it works great! Quiet, energy efficient and heats our 28k gal pool in just a few hours to 90 degrees. Best purchase I have made off amazon!
Reviewed in the United States on August 20, 2021 by Kayklee
    • Good
Size: 200,000 BTU (W3H200FDN)
Works well, needs a single 20 Amp breaker
Reviewed in the United States on October 4, 2025 by Brian Seaglund
    • Great unit
Size: 200,000 BTU (W3H200FDN)
Heats fast. Had it Professionalany installed.
Reviewed in the United States on June 14, 2025 by Amazon Customer
    • Great product
Size: 200,000 BTU (W3H200FDN)
This heater is for our unground pool. Works great and heats quickly.
Reviewed in the United States on July 17, 2021 by Linda J Travers
    • Terrible Product and Irresponsible Seller
Size: 200,000 BTU (W3H200FDN)
This item was a huge disappointment. The product did not work properly, and the seller was completely irresponsible throughout the entire process. Communication was poor, and overall the experience was extremely frustrating. I would not recommend this product or this seller.
Reviewed in the United States on November 25, 2025 by Sam
    • Warms water quickly
Size: 200,000 BTU (W3H200FDN)
We have been using this for a few weeks and so far it works as intended. I love the option to have warm or cooler water.
Reviewed in the United States on June 14, 2020 by Tihara J. Williams

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