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Hayward Commercial Pool's Universal H-Series ASME gas heaters are designed and certified for commercial use. The flagship of our H-Series line encompasses high-end features and construction materials as standard. They combine industry-leading hydraulics, exceptional performance, energy efficiency and reliability, with planet-friendly low-NOx emissions. Flexible connection options make them ideal for new or existing applications. Choose from 250,000 and 400,000 BTU natural gas or propane models.

  • Patented Cupro Nickel Finn Plate™ heat exchanger with bronze header as standard
  • Independent left or right side electric, water and gas connections
  • 2 inch x 2 inch CPVC flanged connections
  • ASME pressure relief valve included as standard
  • Electronic lock-out feature prevents unauthorized access to configuration settings
  • Easy installation and service via access of single front panel
  • Easy gas valve adjustment
  • Easy dual voltage conversion with fuse-protected circuit boards
  • Texas Heater Kits Available
  • New Warranty — 3 Years Parts and Labor

The models listed below are propane gas (electronic) outdoor heaters. You will need to order the appropriate indoor draft hood if placing your heater inside.

H250FDNASME-New-I.jpg H250 Forced Draft H-Series 250,000 BTU Propane Low NOx Electronic Ignition Heater ASME Item: #H250FDPASME Ships in 7-10 Days
H250FDNASME-New-I.jpg H400 Forced Draft H-Series 400,000 BTU Propane Low NOx Electronic Ignition Heater ASME Item: #H400FDPASME Ships in 7-10 Days