Universal HC Series 400K BTU - Dual Fuel Heater w/ OmniX | HDFS400

Universal HC Series dual-fuel 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. A durable cupro-nickel heat exchanger ensures long-term reliability, while the compact, zero-clearance design fits even the tightest equipment pads. Simple propane conversion makes installation faster and easier than ever.

Features and Benefits

• Top-access design eliminates the need to remove side panels and kneel during service
• Quick-access reversible top easily swaps plumbing from right to left while providing access to gas shutoff, voltage selection and more – all via a single fastener
• Cupro-nickel heat exchanger helps protect against corrosion and premature wear from challenging or unpredictable water chemistry
• Compact, lightweight design makes installation easy in any environment
• Low Nox emissions meet clean air quality standards
• Easy-out gas conversion allows for simple in-field conversion between natural gas and propane
• Integral tie-down connections in the base makes installation easy to secure to the equipment pad with no additional hardware
• Backwards Compatible OmniX Retrofit Kits available for existing Universal HC Series gas heaters
• OmniX Gateway: With the additional OmniX Gateway, control your pool equipment from anywhere to allow for remote access

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.