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Hayward H500FDN Universal H-Series Natural Gas Heater 500k BTU (ASME)

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Price in points: 209580 points
I acknowledge that installation of this product must be performed by a professional technician and electrical products are not refundable; self-installation can void manufacturer's warranty.

Quick Overview

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, and 500,00 BTU natural gas or propane models.

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Hayward 500K BTU Propane ASME Heater

If you're looking for a heater that can handle a commercial pool, look no further than the H-Series 500K BTU propane commercial heater from Hayward. The H-Series is one of the most popular and relied-on heaters for residential and commercial pools in Canada, and this propane heater from Hayward offers flexibility to power pools that can't be connected to natural gas power supplies.

Why choose the H-Series 500K BTU propane pool heater?

When you add a reliable heater to a commercial pool, you are able to extend the summer season by weeks, providing a much better experience to guests and users (especially those who are enduring the short summer season in Canada). The H-Series 500K BTU propane pool heater from Hayward offers the best in commercial pool heating for large inground pools. The H-Series is powerful enough to warm your pool quickly, but operates efficiently to keep your costs low each season. A little investment goes a long way when selecting a commercial pool heater, keeping costs down each summer.

The H-Series provides for flexible installation, making it the perfect option for pools that have limited equipment space, or a difficult pump connection. The propane power option and ability to plumb to the left or right side of the heater makes the H-Series the perfect replacement pump, and a dream to install on a new pool build.

If your commercial pool heater will be operated by many users, the easy lock-out feature can prevent accidental changes to your heater cycle or temperature.

Reliable propane heating for your commercial pool

Efficient, effective, and easy to operate, the H-Series of pool heaters by Hayward is a bestseller across North America with good reason. The H-Series 500K BTU commercial propane heater comes with an excellent 3-year warranty, ensuring that your investment pays off through 3 seamless years of heated operation. If you have a commercial pool that is being underused, or are looking for a heater to warm a very large residential pool, the Hayward propane H-Series pool heater is an excellent choice for commercial pool operators.


  • Patented Cupro Nickle Finn Plate heat exchanger with bronze header as standard
  • Independent left or right side electric, water and gas connections
  • 2in x 2 1/2in 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
  • 500,00 BTU provides unprecedented speak to heat, with just 2 models delivering 1 million BTU'S while using minimal pump room space
  • New Warranty - 3 Years Parts and Labor
  • Dimensions: 40 1/2" x 29 1/2" x 24"
Plumbing Diameter:
Dual Voltage
Heater Fuel:
Heater Pool Type:

NOTE: Product images are for illustration purposes only and may not exactly match the actual product due to seasonal model, color or design changes. When shopping for parts we strongly recommend to check the SKU or "Part Number" which is listed on each product page. If you are unsure whether this is the correct product or need assistance please contact us.