Hayward | W3HS200FDN | Universal H-Series Natural Gas Heater with OmniX | 200K BTU
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Hayward W3HS200FDN is a Universal H-Series natural gas heater designed for pool and spa heating applications. This 200,000 BTU model features OmniX connectivity for app-based control, scheduling, diagnostics, and remote access when used with a compatible gateway. It is built with a standard cupronickel heat exchanger and is suited for installations requiring dependable natural gas pool and spa heating.
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Key Features
• Hayward W3HS200FDN is a Universal H-Series natural gas heater designed for pool and spa heating applications with built-in OmniX functionality.
• This model is rated at 200,000 BTU for dependable heating performance in compatible pool and spa systems.
• The heater uses a standard cupronickel heat exchanger for improved durability in demanding water conditions.
• OmniX capability supports mobile app control, scheduling, diagnostics, and remote connectivity when paired with a compatible Hayward OmniX Gateway.
• Universal Display controls provide an integrated interface for standalone operation and compatible remote control configurations.
• This heater uses forced-draft combustion with hot surface ignition to support consistent heater operation in properly installed systems.
• The unit is designed for 120 or 240 VAC electrical service on applicable 200K models, offering flexible installation options where permitted by code.
• Integrated operation modes support standalone control, OmniX app control, 2-wire or 3-wire remote control, and Hayward Omni automation connection.
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Product Overview
The Hayward W3HS200FDN Universal H-Series Natural Gas Heater with OmniX is built for pool and spa owners who want dependable gas heat with modern control capability. Rated at 200,000 BTU, this model combines a compact heater platform with Hayward’s Universal Display and OmniX connectivity, allowing the heater to be configured and operated through onboard controls or through the OmniX mobile app. That makes it a practical option for installations where users want better programmability, more convenient control access, and improved diagnostic visibility.
This heater is also designed around long-term durability and installation flexibility. The standard cupronickel heat exchanger helps improve resistance to corrosion-related wear, and the unit supports multiple control methods including standalone operation, remote thermostat control, and Hayward Omni automation integration. For pool and spa applications where reliable heating performance, natural gas compatibility, and connected control are key priorities, this model offers a strong and serviceable equipment solution.