Hayward Universal H-Series W3HS400FDN Above-Ground Natural Gas Heater with OmniX 400K
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. With OmniX embedded intelligence, the heater provides enhanced programmability, advanced diagnostics, and seamless remote connectivity.
Features and Benefits
- Cupro-nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
- Totally managed water flow boasts industry-leading hydraulic performance coupled with lightning-fast speed-to-heat capability
- Universal junction box allows either left and right electrical installation
- Front-panel-only access provides easy service and maintenance, avoiding the problems and costs associated with front-and-back-panel access heaters
- Low NOx emissions meet clean air quality standards
- Backwards Compatible OmniX Retrofit Kits available for existing Universal H-Series gas heaters 2016 or newer with current bezel cutout
| Active Defrost | No |
|---|---|
| Application | New Construction, Renovation |
| Boost Mode | No |
| Brand | Hayward |
| Channel | Open Line |
| Circuit Amps | 5.5 |
| Compressor Speed | N/A |
| Cooling Capability | No |
| Fuel Type | Natural Gas (NA) |
| GTIN | 610377469159 |
| Heating Capacity (BTU/hr) | 400,000 |
| Hertz - Heaters | 60 Hz |
| Kilowatts | 117 kW |
| Warranty - Labor | None |
| Low Ambient Operation | Yes |
| Master Carton Qty | 1 |
| Maximum Breaker Size (Amps) | 15 |
| Pallet Qty | 1 |
| Warranty - Parts | 1-year |
| Phase - Heaters | 1 |
| Pool Type | In Ground |
| Rear Clearance - Heaters | 6" |
| Refrigerant | No |
| Series Heaters | OmniX |
| Shipping Dimensions | 30.6 " x 32.8 " x 39.5 " |
| Shipping Weight | 213.5 lb |
| Side Clearance - Heaters | 12" |
| Silent Mode | No |
| Voltage - Heaters | 120/240V |
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