H-Series ASME

Hayward H-Series ASME gas heaters are designed and certified for commercial use. The flagship of our H-Series line, they combine industry-leading hydraulics, exceptional performance, energy efficiency and reliability, with planet-friendly low-NOx emmissions. Flexible connection options make them ideal for new or existing applications. Choose from 250,000 and 400,000 BTU natural gas or propane models.

  • Independent left or right side electric, water and gas connections
  • 2in x 2 1/2in CPVC plumbing fittings
  • ASME pressure relief valve included as standard
  • Electronic lockout 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
Products (Total Items: 5)