Question about Hayward 100,000 Btu Heater For Ag Pool And Spa H100id1

3 Answers

Hayward model H100ID1 pool heater

I open the pool this yr and the heater makes a nocking nosie runs for about 2 min then starts nockingI have 30lb of propane left from last yr. do In need to fill the tank with new propane or dose the burner need to be cleaned?? Please help

Thanks Mark

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  • markt4 Jun 18, 2009

    Hi John224

    i pulled the hose's off and check the diverter it seems to be atatched to a tube on the inlet side. but dose move a little bit it not welded tight.


  • markt4 Jun 19, 2009

    John224

    Hi John the heat exchanger was new last yr. could it be the combustion blower not venting fast enough ?? it making a squeaking noise.


  • markt4 Jun 21, 2009

    Hi John224

    I took the heater apart and had it arc welded work's great now

    Thanks for your help


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  • nospamever Aug 26, 2010

    Fixes it in less than 30 minutes

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[/quote] Jun 18, 2009- Hi John224

i pulled the hose's off and check the diverter it seems to be atatched to a tube on the inlet side. but dose move a little bit it not welded tight.
Jun 19, 2009- John224

Hi John the heat exchanger was new last yr. could it be the combustion blower not venting fast enough ?? it making a squeaking noise.
Jun 21, 2009- Hi John224

I took the heater apart and had it arc welded work's great now. [/end-quote] what did you arc weld to?? or did you just keep it from moving it up down the tube?? i am wondering if can be just kept from moving by other means (instead of welding). anyway; i have the same nonsense going on and really dont see why i should have to pay $350+ if its not under warranty. Seems like Hayward has designed a defective part. And i dont see how it could be dangerous it is if the limit switch shuts it off anyway.......

Posted on Jun 28, 2009

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  • Hayward Master
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The diverter inside your manifold is likely broken. You should stop using the heater immediately as the nocking is from water starting to boil in your heat exchanger. This can lead to a dangerous situation if a limit switch does not act in time.

Pull the inlet hose from the heater and you should see a plate just inside. If you can move it around it is broken and the fix is a new exchanger assembly.

You can fin these online and we sell them at www.arrowmotor.net

Posted on Jun 18, 2009

  • John Prohaska
    John Prohaska Jun 18, 2009

    When I have spoken to my Hayward rep in the past he stated there is no repair for that and they should not move at all. When they start flopping around you get intermittent flow in the heat exchanger that leads to the problem you are describing.



    The part number for the exchanger is IDXHXA1101. We sell it for $368 but you could likely find it on-line elsewhere for less. If the unit is only a year or two old, contact me through www.arrowmotor.net for instructions on how to approach Hayward about a replacement. You will need a receipt showing it is that new for relief on the part pricing.

  • John Prohaska
    John Prohaska Jun 19, 2009

    No. The combustion fan can sound like it is full or gravel and sqeaul as the bearings fail and as it does, it will cause a pressure switch to open the safety circuit, shutting off the heater. Nocking, bankging, popping; anything you would classify as a loud noise like popcorn popping is the boiling of water in the exchanger. In the 100, that often means the diverter.



    I sent an email to my regional rep asking for him to confirm. I'll post his reponse. In the mean time, what is your pH level and what method do you use to check it?

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Posted on Jan 02, 2017

john224
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SOURCE: Hooking up a pool heater to propane.

A pressure regulator and pipe or hose. Whoever is selling you the tank/propane should be able to help you size everything based on the tank hook-up and tank pressure. The heater nameplate will tell you the proper inlet gas pressure that the regulator will need to reduce the tank pressure to.

Posted on Sep 08, 2009

  • 990 Answers

SOURCE: Hi what size and kind of regulator do i need for

This is something your gas company should figure and supply for libality reasons. they will be responseable for any damage done from improper pressure. They will need to figure along with heater size and tank size, pipe size and run of pipe along with other varebeles like number and type of fittings on line and other appliences on the feed.

Posted on May 01, 2010

  • 1 Answer

SOURCE: Conversion for Hayward H200 Ing Pool heater from propane to NG

I have a hayward h-2001 natural gas heater that I wish to change to propane. perhaps we can swap parts. dbkohl@prodigy.net 920-324-5652

Posted on Jun 24, 2011

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