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