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Hayward Universal H-Series Pool & Spa Gas Heater with OmniX®

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Hayward 400K BTU H - Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 400K BTU H - Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx – Vita Pool Supply

Hayward 400K BTU H-Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx

Hayward
$5,399.00 - $5,399.00
$5,399.00
$5,399.00 - $5,399.00
$5,399.00
In stock

Hayward Universal H-Series Heater 400,000 BTU - Propane w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in replac...

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$5,399.00 - $5,399.00
$5,399.00
$5,399.00 - $5,399.00
$5,399.00
Hayward 400K BTU H - Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 400K BTU H - Series OmniX Natural Gas Heater, W3HS400FDN, Cupronickel, Low NOx – Vita Pool Supply

Hayward 400K BTU H-Series OmniX Natural Gas Heater, W3HS400FDN, Cupronickel, Low NOx

Hayward
$5,399.00 - $5,399.00
$5,399.00
$5,399.00 - $5,399.00
$5,399.00
In stock

Hayward Universal H-Series Heater 400,000 BTU - Natural Gas w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in re...

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$5,399.00 - $5,399.00
$5,399.00
$5,399.00 - $5,399.00
$5,399.00
Hayward 400K BTU H - Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 250K BTU H - Series OmniX Propane Heater, W3HS250FDP, Cupronickel, Low NOx – Vita Pool Supply

Hayward 250K BTU H-Series OmniX Propane Heater, W3HS250FDP, Cupronickel, Low NOx

Hayward
$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00
In stock

Hayward Universal H-Series Heater 250,000 BTU - Propane w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in replac...

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$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00
Hayward 400K BTU H - Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 250K BTU H - Series OmniX Natural Gas Heater, W3HS250FDN, Cupronickel, Low NOx – Vita Pool Supply

Hayward 250K BTU H-Series OmniX Natural Gas Heater, W3HS250FDN, Cupronickel, Low NOx

Hayward
$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00
In stock

Hayward Universal H-Series Heater 250,000 BTU - Natural Gas w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in re...

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$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00
Hayward 400K BTU H - Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 200K BTU H - Series OmniX Propane Heater, W3HS200FDP, Cupronickel, Low NOx – Vita Pool Supply

Hayward 200K BTU H-Series OmniX Propane Heater, W3HS200FDP, Cupronickel, Low NOx

Hayward
$3,999.00 - $3,999.00
$3,999.00
$3,999.00 - $3,999.00
$3,999.00
In stock

Hayward Universal H-Series Heater 200,000 BTU - Propane w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in replac...

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$3,999.00 - $3,999.00
$3,999.00
$3,999.00 - $3,999.00
$3,999.00
Hayward 400K BTU H - Series OmniX Propane Heater, W3HS400FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 200K BTU H - Series OmniX Natural Gas Heater, W3HS200FDN, Cupronickel, Low NOx – Vita Pool Supply

Hayward 200K BTU H-Series OmniX Natural Gas Heater, W3HS200FDN, Cupronickel, Low NOx

Hayward
$3,999.00 - $3,999.00
$3,999.00
$3,999.00 - $3,999.00
$3,999.00
In stock

Hayward Universal H-Series Heater 200,000 BTU - Natural Gas w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in re...

View full details
$3,999.00 - $3,999.00
$3,999.00
$3,999.00 - $3,999.00
$3,999.00
Hayward 150K BTU H - Series OmniX Propane Heater, W3HS150FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 150K BTU H - Series OmniX Propane Heater, W3HS150FDP, Cupronickel, Low NOx – Vita Pool Supply

Hayward 150K BTU H-Series OmniX Propane Heater, W3HS150FDP, Cupronickel, Low NOx

Hayward
$3,299.00 - $3,299.00
$3,299.00
$3,299.00 - $3,299.00
$3,299.00
In stock

Hayward Universal H-Series Heater 150,000 BTU - Propane w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in replac...

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$3,299.00 - $3,299.00
$3,299.00
$3,299.00 - $3,299.00
$3,299.00
Hayward 150K BTU H - Series OmniX Propane Heater, W3HS150FDP, Cupronickel, Low NOx – Vita Pool Supply
Hayward 150K BTU H - Series OmniX Natural Gas Heater, W3HS150FDN, Cupronickel, Low NOx – Vita Pool Supply

Hayward 150K BTU H-Series OmniX Natural Gas Heater, W3HS150FDN, Cupronickel, Low NOx

Hayward
$3,299.00 - $3,299.00
$3,299.00
$3,299.00 - $3,299.00
$3,299.00
In stock

Universal H-Series Heater 150,000 BTU - Natural Gas w/ OmniX Universal H-Series pool and spa gas heaters are engineered for easy drop-in replacemen...

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$3,299.00 - $3,299.00
$3,299.00
$3,299.00 - $3,299.00
$3,299.00
Hayward 135K BTU H - Series OmniX Natural Gas Above Ground Heater, W3HS135FDN, Low NOx – Vita Pool Supply
Hayward 135K BTU H - Series OmniX Natural Gas Heater, W3HS135FDN, Cupronickel, Low NOx – Vita Pool Supply

Hayward 135K BTU H-Series OmniX Natural Gas Heater, W3HS135FDN, Cupronickel, Low NOx

Hayward
$2,699.00 - $2,699.00
$2,699.00
$2,699.00 - $2,699.00
$2,699.00
In stock

Universal H-Series Heater 135,000 BTU - Natural Gas w/ OmniX The H-Series 135,000 BTU heater for above-ground pools and spas combines leading techn...

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$2,699.00 - $2,699.00
$2,699.00
$2,699.00 - $2,699.00
$2,699.00
Hayward 135K BTU H - Series OmniX Natural Gas Above Ground Heater, W3HS135FDN, Low NOx – Vita Pool Supply
Hayward 135K BTU H - Series OmniX Propane Heater, W3HS135FDP, Cupronickel, Low NOx – Vita Pool Supply

Hayward 135K BTU H-Series OmniX Propane Heater, W3HS135FDP, Cupronickel, Low NOx

Hayward
$2,699.00 - $2,699.00
$2,699.00
$2,699.00 - $2,699.00
$2,699.00
In stock

Hayward Universal H-Series Heater 135,000 BTU - Propane Gas w/ OmniX The H-Series 135,000 BTU heater for above-ground pools and spas combines leadi...

View full details
$2,699.00 - $2,699.00
$2,699.00
$2,699.00 - $2,699.00
$2,699.00

Hayward Universal H-Series Pool & Spa Gas Heaters with OmniX®

FEATURING HIGH-PERFORMANCE CUPRO NICKEL HEAT EXCHANGER

Universal H-Series pool and spa gas heaters are engineered for easy drop-in replacement, with direct compatibility to Hayward plumbing adapters. At the center is Hayward’s Universal Display, delivering a consistent, intuitive control experience across Omni®, OmniX®, and competitive automation systems.

Powered by OmniX embedded intelligence, the heater provides enhanced programmability, advanced diagnostics, and seamless remote connectivity. A durable cupro-nickel heat exchanger ensures long-term reliability, giving you peace of mind without any added costs.

Key Features:

  • INTUITIVE INTERFACE: Designed with usability and flexibility in mind, the new universal display offers an improved user experience with advanced functionality.
  • COMMUNICATION: Comes standard with RS485 which provides durable wired communication to OmniLogic® controls with reliable connection and ease of installation.
  • SPEED TO HEAT: Generates heat by using either propane or natural gas and are ideal for heating your pool or spa water quickly with the touch of a button.

CONTROL FROM ANYWHERE WITH OMNI X APP & GATEWAY*:

  • Complete control from your smart device
  • Configure your equipment quickly and intuitively
  • Integrated user management tools for homeowners and pool professionals.

*Gateway sold separately.

Free Shipping

Most orders ship same day when ordered by 12 PM ET.

30-Day Returns

Easy returns on new, unused items.

Authorized Dealer

Genuine products + manufacturer-backed support.

On-Staff Pool Pros

Call, text, email, or chat for expert help.