
Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool Heater
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Price facts
- Last seen at $3,699.00 at Leslie's Pool Supplies on Nov 7.
- Checked at 2 stores.
Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool Heater prices at every store
- Leslie's Pool SuppliesNew
In stock
$3,699.00Free shippingChecked Nov 7 - Pool Supply DepotNew
In stock
$3,999.00+ $350.00 shippingChecked Nov 7
Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool Heater price history
Lowest price we've seen: $3,699.00 on Nov 7 at Leslie's Pool Supplies. Tracked across 2 stores since Nov 7.
From Pool Supply Depot
- 250,000 BTU natural gas pool and spa heater for residential in-ground pools and spas
- Low NOx emissions design suitable for areas with stricter clean-air requirements
- Cupro nickel heat exchanger for enhanced corrosion resistance
- Forced-draft combustion system with electronic ignition and no standing pilot
- Digital LED control panel with temperature display and built-in diagnostics
- 120/240 V, 60 Hz, single-phase electrical compatibility
- Materials
- Cupro nickel heat exchanger; 2" x 2.5" CPVC union plumbing connections, where supplied
- Fit
- Compact, low-profile cabinet; universal-style design for flexible installation and heater replacement; approx. 24" x 25" x 29.5"
- Sizing
- Should be properly sized for pool volume, desired temperature rise, plumbing flow, and local climate; professional installation recommended
- Guarantee
- Warranty terms to be confirmed at time of purchase
- Returns
- Return & Refund policy referenced on the page
- Shipping
- Oversized item: flat-rate freight shipping added at checkout; free shipping on orders over a threshold does not apply to this item
- In the box
- One Hayward Universal H-Series Natural Gas Heater, 250K BTU, Digital control system, Cupro nickel heat exchanger, Electronic ignition system, Factory-installed heater components, Manufacturer documentation, where supplied by packaging
About the Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool Heater
Product Overview
The Hayward Universal H-Series Natural Gas Heater W3H250FDN is a 250,000 BTU pool and spa heater designed to deliver fast, dependable, and efficient heating for residential in-ground pool and spa applications. Built on Hayward’s Universal H-Series platform, this heater combines strong natural gas performance with Low NOx emissions, flexible installation features, and durable construction for long-lasting pool comfort.
Featuring a cupro nickel heat exchanger, electronic ignition, digital controls, and a forced-draft combustion system, the W3H250FDN is engineered to provide reliable heating while helping protect against corrosion caused by challenging water chemistry conditions.
Reliable Natural Gas Heating for Pools and Spas
The Universal H-Series 250K BTU natural gas heater helps raise and maintain comfortable water temperatures for pools and spas. Whether used to extend the swimming season, warm cooler water, or provide fast heat recovery for an attached spa, this heater delivers dependable on-demand heating when properly sized and professionally installed.
Questions and answers
- Where is the Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool Heater cheapest?
- At Leslie's Pool Supplies, for $3,699.00, as of our latest check.
- Where can I buy the Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool Heater?
- 2 stores we checked sell it, including Leslie's Pool Supplies, Pool Supply Depot.



