Hayward Universal H-Series Low Nox 400 000 BTU Propane Pool Heater – H400FDP

$4,850.00$5,500.00 (-12%)

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  • New polymer header provides superior hydraulic performance to save energy and protect against the damaging effects of erosion
  • Forced draft system constantly moves air through the combustion chamber at a precise flow rate, eliminating all outside weather variables
  • Patented single header “V” baffle design heat exchangers allow for long life, fast heating and virtually no condensation
  • State-of-the-art finn plate heat exchanger with cupro nickel
  • Easy-to-read LED control panel provides digital temperature readout and diagnostics for quick identification of components that might need service
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SKU: XW-1G9Y-45C3 Category:

Hayward’s H-Series Heaters receive Garfield’s Top Clover award for durability, quality, and ease of installation. The cupro-nickle heat exchanger places it above its competitors (Pentair, Jandy, Raypak) at similar price points. The Hayward H-Series Heaters in both the propane and natural gas are THE heater to accompany any swimming pool and/or spa system with salt chlorine generators and the need for long-term, high-speed heating requirements at a great economical price.

Technical Specs

Forced Draft Brochure – H400FDP

Manual Forced Draft – H400FDP


  • Standard cupro nickel heat exchanger
  • Excellent salt water and chemical corrosion resistance
  • Exclusive ‘Totally Managed’ cupro nickel heat exchanger water flow
  • Same water velocity through all tubes for faster heating
  • Patented header by-pass design
  • Up to 18 percent savings by reducing pump run-time
  • 2in x 2 1/2in CPVC union plumbing connections
  • Common union for installation or service, adapts to larger plumbing recommended for greater efficiencies
  • Low NOx emissions – meets clean air quality standards

Product Specs

Hayward H Series Brochure

Hayward H Series Installation & Operation Manual

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