?     Asked on 3/19/2017by mark jacobs

Is this correct exchanger for h350 fdn
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A  Answered on 3/20/2017 by InyoPools Product Specialist Lennox H.

Hi, Mark. Yes, this is the correct heat exchanger for the H350FDN unit.
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?     Asked on 8/28/2017by JD Thompson

The exchanger looks a little different - is it for the Hayward H400FDNASME?
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A  Answered on 8/29/2017 by InyoPools Product Specialist Stacey M.

Hello Joel, the heat exchanger for the H400FDNASME is HEAT EXCHANGER ASSEMBLY - ASME H400 UHSLN (FDXLHXA1400A). If you would like to call Hayward 800-657-2287 to confirm your system and heat exchanger.
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?     Asked on 5/14/2018by mark

what is the difference between this and the Hayward Heat Exchanger Assembly - 350 (HAXHXA1353)
 Reply

A  Answered on 5/15/2018 by InyoPools Product Specialist Charlie R.

Mark, The exchangers vary depending on the model you have. Part # HAXHXA1353 is for the Hayward H-Series ED1 and ED2 models. 
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?     Asked on 5/15/2018by mark

My model number is H350FDN, Is the exchange for this model the fdxlhxa1350?
 Reply

A  Answered on 5/15/2018 by InyoPools Product Specialist Charlie R.

Mark, Yes, this is the correct heat exchanger for the H350FDN heater. 
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?     Asked on 5/29/2018by Greg

Is the H350fdp heat exchanger cupronickel?
 Reply

A  Answered on 5/30/2018 by InyoPools Product Specialist Lennox H.

Hi, Greg. Yes, the tubing is cupro-nickel. 
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?     Asked on 5/29/2018by Geg

I need an orphice for H350fdp. Switching from propane to natural gas. What is the part number?
 Reply

A  Answered on 5/30/2018 by InyoPools Product Specialist Lennox H.

Hi, Geg. You will need the LP to NS Conversion Kit - FDXLCNK0002 which includes the orifice and gas valve. 
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?     Asked on 8/19/2019by james howard

Is this the same part as HAXHXA1350 for a Hayward heater H350?
 Reply

A  Answered on 8/19/2019 by InyoPools Product Specialist Lennox H.

Hi, James. It is NOT, you will need P/N HAXHXA1353
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?     Asked on 5/26/2021by Adam

Hi I have a Hayward H350 FDN with a Leaking Heat Exchange. The replacement Assembly is a FDXLHXA1350. What is the availability and Delivery time like,does it require any extra gaskets or seals, and what is the shipping cost to Canada.
 Reply

A  Answered on 5/26/2021 by InyoPools Product Specialist Patrick P.

Hi Adam, Yes this is currently in stock. Delivery to Canada is 7-14 business days. Please add this item to your cart and then enter your Postal Code to calculate the shipping charges to Canada. No additional gaskets are needed.
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?     Asked on 3/9/2022by David Leach

Heat Exchanger Assembly H350 Uhsln (fdxlhxa1350)...Is this the heat exchanger for Nat Gas or Propane? If it's not the Nat Gas, do you have the part number for it? That's the one I need to order. Thanks!
 Reply

A  Answered on 3/10/2022 by InyoPools Product Specialist Craig C.

Hello David.  The Hayward Pool Products Heat Exchanger Assembly H350 Uhsln (fdxlha1350) is the heat exchanger for both the Natural Gas and Liquid Propane models of the Hayward Universal H-Series Low NOx FD Series gas heaters, 350K BTU.  Attached please find an exploded parts diagram for the Hayward Low NOx Series for reference.     Heat Exchanger Assembly H350 Uhsln (fdxlhxa1350)    Hayward Universal H-Series Low NOx FD Series
 Reply