PER THE MANUFACTURER: THIS ITEM IS NOT AVAILABLE FOR SALE ONLINE

By Hayward Pool Products


Details

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Part # H350FDN

Warranty 1 Year

Alternate Part #'s HAY-15-731, HAYH350FDN

Product Description

Universal H-Series Low NOx Heaters
For In-Ground Pools and Spas - Electronic Ignition Dual Thermostat



Now With Cupro Nickel Heat Exchanger!

NEW Hayward Universal H-Series Low NOx heater combines industry-leading hydraulic performance; environmentally responsible low NOx emissions and a standard cupro nickel heat exchanger with a low profile appearance, lighter weight design, independent left or right side electric, water and gas connections plus 2" x 2 1/2" CPVC union connections to provide the ultimate installation flexibility for new or existing equipment pads.

It also includes a forced draft system that constantly moves air through the combustion chamber at a precise flow rate. As a result, all outside weather variables that can affect the heating performance, such as wind conditions, are eliminated - without having to install a high-wind stack.

NOTE: The Hayward Universal H-Series heaters meet the NOx Emission standards set by the California South Coast Quality Air Management Commission for 2001 and the Texas Natural Resource Conservation Commission Code.

Applications:

  • Forced draft system constantly moves air through the combustion chamber at a precise flow rate, eliminating all outside weather variables that can effect the heating performance, such as high wind conditions -- without a high wind stack.
  • Our patented single header "V" baffle design heat exchangers allow for long life, fast heating and virtually no condensation. All Hayward heat exchangers are now constructed with highly resilient Cupro Nickel for greater durability and longevity even in salt-based, high flow or aggressive water chemistry set ups.
  • Easy-to-read L.E.D. digital Control Panel provides digital temperature readout and diagnostics for quick identification of components that might need service.
  • New polymer header provides superior hydraulic performance to save energy and protect against the damaging effects of erosion from high flow conditions for improved reliability.
  • Designed for today's larger diameter plumbing systems with 2" x 2 1/2" CPVC unions.
  • 1 Year limited warranty
  • Now with Cupro Nickel Heat Exchanger

Overall Dimensions

Product Specifications

BTU:
350,000 BTU
Gas:
Natural
Ignition:
Electronic
Thermostat:
Dual
Weight:
195 lbs.
Width:
33-1/4 in.
Elevation:
0-10,000 ft.
Heat Exchanger:
Cupro Nickel
Special Feature:
Low NOx Emissions
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?     Asked on 10/7/2013by Guest

Is it possible to convert this heater from natural gas to propane?
 Reply

A  Answered on 10/7/2013 by InyoPools Product Specialist Patrick P.

Yes, it is possible to convert this heater from natural to propane gas as there is a conversion kit for it. To view and purchase this kit you you will need to click here.
 Reply


?     Asked on 4/21/2015by George

I want to install the Hayward Lownox heater on my pool but I live in the mountains at 3,000 foot elevation; do I need to buy a special high elevation heater?
 Reply

A  Answered on 4/21/2015 by InyoPools Product Specialist Matt S.

Hello George, The Hayward Universal Low Nox are self adjusting up to 10,000 feet of elevation. Any installation above 2,000 feet will require a special restriction plate to be installed. Luckily, that plate comes standard with every heater so no need to purchase it separately.
 Reply


?     Asked on 1/10/2017by Mike

I need to replace my heater and would like to control it from my Aqualink RS pad in the house. Does this limit me to a Jandy heater, or will it work with other brands?
 Reply

A  Answered on 1/10/2017 by InyoPools Product Specialist Adam Y.

No, There are plenty of compatible brands that will work with your system. They would just have to be wired for that.
 Reply


?     Asked on 6/19/2017by Inyo Visitor

If I install this "Pool Heater Universal H-Series Low Nox 350K BTU NG - H350FDN" in a pool shed/house does it require venting?
 Reply

A  Answered on 6/19/2017 by InyoPools Product Specialist Patrick P.

Yes venting will be required, and you would need this Hayward 350 Vertical Vent Kit.
 Reply


?     Asked on 1/16/2018by gary

will a hayward h350fdn pool heater work on a 18x36 pool
 Reply

A  Answered on 1/16/2018 by InyoPools Product Specialist Lennox H.

Hi, Gary. Yes, this H350FDN heater will heat an 18' x 36' pool. 
 Reply


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