Question about Hayward 400FDP Universal Series Low Nox Propane Heater 400000 BTU ()

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My plumber needs manual for Hayward #H400 FDP

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The P at the end stans for propane...the manual found here is for the H400FD series natural gas or propane.

John

Posted on May 31, 2010

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Posted on Jan 02, 2017

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Replace igniter on h400


Open the main door, locate the 2 white fabric coated wires, they go down towards the base of the heater. This is your igniter, usually a 5/16 nut driver will be the tool you need to remove it.

Jul 04, 2014 | Hayward H-series Electronic Gas Pool...

1 Answer

Wiring for hayward 400


http://www.hayward-pool.ca/pdf/manuals/Manual285.pdf

this manual will show most of the wiring needed. it is recommended that you hire an electrician to hook up the high voltage portion.

May 26, 2014 | Hayward H-series Electronic Gas Pool...

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Error code


make sure water filter is CLEAN ! this will throw a code

Jun 22, 2013 | Hayward H-series Electronic Gas Pool...

1 Answer

H400 manual h400ped2


I have a 2005 Hayward H400PED2, I want to know if it's a titanium exchanger beause I want to add a salt system?

Thanks

May 08, 2013 | Hayward H Series Pool & Spa Heater 400k...

1 Answer

CAN A OLD STYLE H400 NATURAL GAS BE CONVERTED TO A LP GAS I HAVE A H400PED2 IT DIED IT IS NOT MAKE ANY MORE IF I FIND A H400 NATURAL GAS CAN IT BE CONVERTED


The last I checked a kit was available for this conversion.
I recommendyou call the Hayward technical support at 908-355-7995and they might be able to help you figure this issue out. Ihope this helps.

Sep 17, 2011 | Hayward H-series Electronic Gas Pool...

1 Answer

I can not turn off ob on the screen of my Hayward pool heater


I looked up the owners manual for the Hayward H400 heater and it did not list the "ob" indication. For this reason I would call the and they likely can help you out.

Please let me know how this turns out. Thank you.

Aug 30, 2011 | Hayward H-series Electronic Gas Pool...

1 Answer

I am getting IO message on h250. It will not ignite. Service agent says the F0059-456500 circuit board needs replacement. Make sense? where can I buy this board ?


Hi,

The IO code is not even listed in the manual....

here is the manual

http://www.hayward-pool.com/pdf/manuals/Manual285.pdf

Towards the back of the manual there are troubleshooting and flow charts....they should help you to troubleshoot your heater....

before I would change out the ignition there are many other thigns to check out also...

heatman101

Feb 02, 2011 | Hayward H-series Electronic Gas Pool...

1 Answer

Have a Hayward H400 FDP. CE error, probably year or so. If the boards have to be replaced, why together, versus replace the one that is bad?


The CE error code means Communication Error. This is a loss ov communication between boards. It could be the wiring, it could be no power to one of the boards. There is a possibility that if you have a short circuit in one board that is bad, and you replace the other one, that it could damage the new board too. Do you have your manual? you can download one from www.haywardnet.com

Oct 01, 2010 | Hayward H Series Pool & Spa Heater 400k...

2 Answers

Hayward H400 Pool heater will not stay lit


"IF" - Hayward Pool Heater Fails to Ignite: the most common reason for this problem is insufficient gas supply. The Hayward heater LED display will show a diagnostic fault code of "IF" which stands for Ignition Failure. Undetected gas pressure problems if not investigated properly may result in unnecessary replacement and servicing of your Hayward Pool Heater.

Jun 06, 2009 | Hayward H-series Electronic Gas Pool...

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