ASME Pool Heater, 400,000 BTU, Natural Gas, Induced Draft, Low Nox

Item # 3576908 | National Brand Alternative Part # H400FDNASME | UPC Code 610377135245 | UNSPSC Code 49241700
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Product Overview

The Hayward Universal H-Series Heater is certified for low NOx emissions and meets clear air quality standards. It is an energy efficient, high-performance heater that is ideal for residential spas and pools. The heater features a cupro nickel heat exchanger that is highly resistant to saltwater corrosion.

  • Patented cupro nickel finn plate heat exchanger with bronze header as standard
  • Independent left or right side electric, water and gas connections
  • ASME pressure relief valve included as standard
  • Easy installation and service via access of single front panel
  • Easy dual voltage conversion with fuse-protected circuit boards

Proposition 65 Information

Prop65 Warning Icon WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm.


Ignition Type
Interrupted Spark
Manufacturer Warranty
1 year
Outdoor Living Product Type
Pool Heaters
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)


1 year

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