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Hayward H250FDN Universal H-Series Natural Gas Heater 250k BTU (ASME)

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Price in points: 149400 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 H250FDNASME Universal H-Series, 250K BTU Natural Gas ASME Heater

If you're in the market for a commercial pool heater, you'll want to find one that is designed to serve your pool at its best. There are many inferior water heaters on the market, sold for low prices and claiming to offer everything that the competition does. But, the truth is that pool heaters operate in very harsh environments and it is essential that you choose a high-quality heater that is capable of heating your pool for many years. The price you pay upfront for a Hayward commercial pool heater pays off month after month, keeping your operating, service, and replacement costs low.

The H-Series 250K BTU pool heater has been designed to provide high-quality pool heating that is specialized for high-use commercial pools. Complete with a 3-year warranty and Hayward's reputation for quality, the Hayward H-Series is an excellent choice for your commercial pool heating needs.

Why choose the H-Series commercial pool heater by Hayward?

Hayward provides pool heating to customers across North America, and their commercial H-Series heaters provide the high-intensity and high-durability heating that commercial pools need. This H-Series natural gas heater has been designed with complete flexibility, making it an ideal choice for any pool setup (whether you're looking for a replacement pump, or a heater for a brand new pool). The H-Series commercial heater can be plumbed to the left or the right, and dual-voltage capability means this heater can work with your existing power supply.

The easy-access front panel on the H-Series heater allows you to provide easy service to your pool, saving you frustration and expense when your heater is in need of a tuneup. Commercial pool operators love the automatic programming that comes native with the H-Series heater. Operators are able to set the heater to serve the needs of their guests, and enable the lock-out mode that prevents unauthorized swimmers and employees from changing settings.

Easy, efficient commercial pool heating with Hayward

Hayward has a reputation for providing the best in quality pool heating and service after providing generations of Canadians with reliable and affordable pool heating. With the ASME H-Series commercial pool heater, Hayward has created a reliable commercial option for operators. Backed by a 3-year warranty, when you invest in an H-Series heater, you know that your investment will pay off in years of affordable comfort for swimmers.


  • 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: 28" x 29.5" x 24"
Plumbing Diameter:
Dual Voltage
Heater Fuel:
Natural Gas
Heater Pool Type:

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