Hayward 100,000 BTU Pool Heater H100ID1  - Above Ground Logo
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Anonymous Posted on Jul 11, 2014

Hayward H100ID wont heat water - Hayward 100,000 BTU Pool Heater H100ID1 - Above Ground

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Mike Tellegen

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  • Hayward Master 1,631 Answers
  • Posted on Jul 15, 2014
Mike Tellegen
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Joined: Aug 05, 2010
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If the heater is operational, working and the top of the heater is hot, and you do hear the combustion of the gas, see flames in the burner tray area...

.... then your heater is heating the water!

If there are flames in the heater, the heater is normally doing its job. Most people are not aware of the time it takes to see a "Temperature Rise". The average temperature rise is dependent on your heater size, the ambient temperature of the time of day you would like to use your heater, the wind/breeze factor as it goes over your pool surface. Is the pool waters surface covered? etc. All of this is a factor on how quick the temperature will rise. It is possible that you will not feel warm water coming from a return fitting.

Another common mistake some pool owners make is the system is on a timer. And the desire to start the initial warming of the water starts with the flick of the heater switch and then a few hours later the pump turns off and along with it, the heater. The heater will only work, if the pump is on and circulating the water! No circulation, no heat! So if you have a timer, remove the "Off" timer pins and allow the heater to work.

5 Related Answers

Anonymous

  • 139 Answers
  • Posted on Jun 21, 2009

SOURCE: Fan will not turn on. the heater is a hayward

most likely a faulty ignitor

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joespools200

  • 246 Answers
  • Posted on Aug 25, 2009

SOURCE: heater works fine for 5-10 minutes, then flame goes out

smeel gas? clean burners

Anonymous

  • 12 Answers
  • Posted on Jun 26, 2009

SOURCE: hayward h100ID ignitor not starting

There are many different things it could be with the fan comming on that means the heater is trying to fire. Make sure gas supply is on first of all. Depending on the gas line run you may have to try several times of turning on and off the heater to reprome the line. If no luck with that the next step is the igniter follow the small tube comming off the gas valve and folliw it to the burner tray try poking a small peice of wire through it from a wire brush it probally is plugged. Heater should fire after that.

Anonymous

  • 64 Answers
  • Posted on May 20, 2010

SOURCE: Hayward pool heater H100ID keeps blowing GFI

First, I don't see any heaters in my parts wired thru a GFCI. Why did you resolder inputs on board. Usually, those are not repairs that are acceptable. If the pins have shorted, then you need to replace the board. Could be a problem with the ignitor, but this might be one that you will need to call a pro in for. Did you install the heater yourself???

Anonymous

  • 36 Answers
  • Posted on Aug 31, 2011

SOURCE: I have a hayward H100ID above ground pool heater.

low water flow is making the heater knock, (PULSATE) clean filter or backwash, check pump and skimmer baskets and empty. if still low flow and knocking, check impeller on pool pump to make sure it isnt clogged.

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