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Hayward 135K BTU Above-Ground Natural Gas Heater with OmniX, | W3HS135FDN | Universal H-Series

Hayward 135K BTU Above-Ground Natural Gas Heater with OmniX, | W3HS135FDN | Universal H-Series

Hayward W3HS135FDN is a Universal H-Series above-ground natural gas heater designed for pool and spa heating applications. This 135,000 BTU model features OmniX connectivity for enhanced control, programmability, and diagnostics, along with a cupronickel heat exchanger for durability in demanding water conditions. It is suited for above-ground pool and spa installations requiring dependable gas heat and modern user control.

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Key Features

β€’ Hayward W3HS135FDN is a Universal H-Series above-ground natural gas heater designed for pool and spa heating applications.
β€’ This model is rated at 135,000 BTU for reliable heating performance in compatible above-ground pool and spa systems.
β€’ Integrated OmniX capability supports enhanced programmability, advanced diagnostics, and app-based remote connectivity.
β€’ The cupronickel heat exchanger is designed to provide added protection against corrosion and premature wear in harsh water conditions.
β€’ Universal Display controls provide a consistent and intuitive user interface across standalone and compatible automation setups.
β€’ Front-panel-only service access helps simplify installation, maintenance, and service work without requiring rear access.
β€’ The universal junction box supports either left-side or right-side electrical installation for added setup flexibility.
β€’ This heater includes a plug-in 120 volt power cord design to support easier electrical installation in compatible applications.

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Product Overview

The Hayward W3HS135FDN Universal H-Series Above-Ground Natural Gas Heater with OmniX is built for above-ground pool and spa owners who want dependable gas heat with more modern control capability. Rated at 135,000 BTU, this model combines a compact heater platform with Hayward’s Universal Display and integrated OmniX functionality, making it a practical option for installations that need straightforward operation, improved programmability, and better service visibility. Its natural gas configuration makes it suitable for systems already designed around compatible gas supply and heater placement requirements.

This heater is also designed with long-term durability and serviceability in mind. The standard cupronickel heat exchanger helps improve resistance to corrosion and chemical-related wear, while the front-panel-only access design can make maintenance more convenient in tighter equipment spaces. For above-ground pool and spa applications where heating performance, connected control, and easier service access are important priorities, this model provides a strong equipment solution.

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Frequently Asked Questions (FAQ)

Q: What is the Hayward W3HS135FDN Universal H-Series heater used for?
A: The Hayward W3HS135FDN is a 135,000 BTU natural gas heater designed for above-ground pools and spas that need reliable and efficient heating.


Q: Is the Hayward W3HS135FDN natural gas or propane?
A: This model is designed for natural gas. Propane versions are available under different model numbers.


Q: What size pool is the Hayward W3HS135FDN best for?
A: This 135K BTU heater is best for above-ground pools, spas, and smaller residential pool systems that require consistent heating.


Q: Is the Hayward W3HS135FDN worth it?
A: Yes. It is a strong option for above-ground pool owners who want dependable natural gas heating with OmniX smart control features and durable construction.


Q: What is OmniX on the Hayward W3HS135FDN?
A: OmniX is Hayward’s integrated smart control platform that supports advanced programming, diagnostics, and app-based remote connectivity when paired with a compatible OmniX Gateway.


Q: Can I control the Hayward W3HS135FDN from my phone?
A: Yes. With a compatible Hayward OmniX Gateway, the heater can be monitored and controlled remotely through the OmniX mobile app.


Q: Is the Hayward W3HS135FDN suitable for saltwater pools?
A: Yes. The cupronickel heat exchanger provides improved resistance to corrosion, making it suitable for saltwater and chemically treated pool systems when water chemistry is properly maintained.


Q: Can the Hayward W3HS135FDN replace my existing above-ground pool heater?
A: Yes. It can replace many existing above-ground natural gas heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, and installation requirements.


Q: Does the Hayward W3HS135FDN require professional installation?
A: Yes. Professional installation is recommended due to natural gas connections, plumbing integration, and safety requirements, even though it includes a plug-in 120V power design.


Q: When should I choose the Hayward W3HS135FDN instead of a larger heater?
A: Choose this 135K BTU model if you have an above-ground or smaller pool and do not need the higher heating output of larger BTU natural gas heaters.



$2,699.00
Hayward 135K BTU Above-Ground Natural Gas Heater with OmniX, | W3HS135FDN | Universal H-Seriesβ€”
$2,699.00
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Description

Hayward W3HS135FDN is a Universal H-Series above-ground natural gas heater designed for pool and spa heating applications. This 135,000 BTU model features OmniX connectivity for enhanced control, programmability, and diagnostics, along with a cupronickel heat exchanger for durability in demanding water conditions. It is suited for above-ground pool and spa installations requiring dependable gas heat and modern user control.

────────────────────────────────────────

Key Features

β€’ Hayward W3HS135FDN is a Universal H-Series above-ground natural gas heater designed for pool and spa heating applications.
β€’ This model is rated at 135,000 BTU for reliable heating performance in compatible above-ground pool and spa systems.
β€’ Integrated OmniX capability supports enhanced programmability, advanced diagnostics, and app-based remote connectivity.
β€’ The cupronickel heat exchanger is designed to provide added protection against corrosion and premature wear in harsh water conditions.
β€’ Universal Display controls provide a consistent and intuitive user interface across standalone and compatible automation setups.
β€’ Front-panel-only service access helps simplify installation, maintenance, and service work without requiring rear access.
β€’ The universal junction box supports either left-side or right-side electrical installation for added setup flexibility.
β€’ This heater includes a plug-in 120 volt power cord design to support easier electrical installation in compatible applications.

────────────────────────────────────────

Product Overview

The Hayward W3HS135FDN Universal H-Series Above-Ground Natural Gas Heater with OmniX is built for above-ground pool and spa owners who want dependable gas heat with more modern control capability. Rated at 135,000 BTU, this model combines a compact heater platform with Hayward’s Universal Display and integrated OmniX functionality, making it a practical option for installations that need straightforward operation, improved programmability, and better service visibility. Its natural gas configuration makes it suitable for systems already designed around compatible gas supply and heater placement requirements.

This heater is also designed with long-term durability and serviceability in mind. The standard cupronickel heat exchanger helps improve resistance to corrosion and chemical-related wear, while the front-panel-only access design can make maintenance more convenient in tighter equipment spaces. For above-ground pool and spa applications where heating performance, connected control, and easier service access are important priorities, this model provides a strong equipment solution.

────────────────────────────────────────

Frequently Asked Questions (FAQ)

Q: What is the Hayward W3HS135FDN Universal H-Series heater used for?
A: The Hayward W3HS135FDN is a 135,000 BTU natural gas heater designed for above-ground pools and spas that need reliable and efficient heating.


Q: Is the Hayward W3HS135FDN natural gas or propane?
A: This model is designed for natural gas. Propane versions are available under different model numbers.


Q: What size pool is the Hayward W3HS135FDN best for?
A: This 135K BTU heater is best for above-ground pools, spas, and smaller residential pool systems that require consistent heating.


Q: Is the Hayward W3HS135FDN worth it?
A: Yes. It is a strong option for above-ground pool owners who want dependable natural gas heating with OmniX smart control features and durable construction.


Q: What is OmniX on the Hayward W3HS135FDN?
A: OmniX is Hayward’s integrated smart control platform that supports advanced programming, diagnostics, and app-based remote connectivity when paired with a compatible OmniX Gateway.


Q: Can I control the Hayward W3HS135FDN from my phone?
A: Yes. With a compatible Hayward OmniX Gateway, the heater can be monitored and controlled remotely through the OmniX mobile app.


Q: Is the Hayward W3HS135FDN suitable for saltwater pools?
A: Yes. The cupronickel heat exchanger provides improved resistance to corrosion, making it suitable for saltwater and chemically treated pool systems when water chemistry is properly maintained.


Q: Can the Hayward W3HS135FDN replace my existing above-ground pool heater?
A: Yes. It can replace many existing above-ground natural gas heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, and installation requirements.


Q: Does the Hayward W3HS135FDN require professional installation?
A: Yes. Professional installation is recommended due to natural gas connections, plumbing integration, and safety requirements, even though it includes a plug-in 120V power design.


Q: When should I choose the Hayward W3HS135FDN instead of a larger heater?
A: Choose this 135K BTU model if you have an above-ground or smaller pool and do not need the higher heating output of larger BTU natural gas heaters.



Hayward 135K BTU Above-Ground Natural Gas Heater with OmniX, | W3HS135FDN | Universal H-Series | AquaTech Pools & Spa