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I have a new H400 Hayward poole heater. There is white smoke coming off the top. I thought it would stop after a few minutes however it has not stopped after 45 minutes. The heat transfer is good and it seems to work well...other than the smoke. What can I do to resolve

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Are you sure there is nothing on top of the burners?
It is normal for the heater to burn some smoke because of residual oil on the exchangers, but you would think 45 minutes is plenty of time to burn it off? Try for a little while longer? Maybe it is not smoke? could be steam? Possible of condensation or small leak? What is your water flow like? Is pressure too high, is flow to high or to low? These may need to be checked by a service tech. Because this is a real problem when you get "Rain inside your heater" Possible improper installation?

Posted on Jan 29, 2014

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Posted on Jan 02, 2017

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  • 10 Answers

SOURCE: I'm trying to start-up a Hayward H400 natural gas

if means ignition failure check that gas is on, check for fauilty igniter wiring or connections, inspect gas valve wiring measure voltage across gas valve during trial to ignition if 24 volt replace gas valve if no 24 volt replace control module

Posted on May 19, 2009

john224
  • 1378 Answers

SOURCE: 1 year old hayward h1001d pool heater clicking

Actually, the clicking is likely causing the shaking. Inside the manifold of a H100 is a stainless steel diverter plate that send some of the passing water into the heat exchanger and lets the rest past and back to the pool. When it breaks, you will hear a 'clicking' noise at it rattles in the water path. When it breaks, the flow to the heat exchanger is intermittent and you will begin to boil the water, causing the shaking. This situation is dangerous, especially without a pressure relief in the heater or pipe. As long as your water chemistry is sound, Hayward will usually cover this under warranty even if the unit is over a year old. Contact them to get a factory authorized repair rep out at: http://www.haywardnet.com/locator/

Posted on Jun 12, 2009

john224
  • 1378 Answers

SOURCE: black soot like smoke coming out of top of pool heater,

Your flames should be blue; orange means a poor combustion mixture. Pull the copper jets out of the manifold one at a time and inspect the inside for spider nests. They are screwed into the black tube that exits your gas valve, bends down and then along the front of the burner tubes. You will likely find most of the jets blocked. If they are not or you still have a problem after cleaning them out, you'll need a tech to measure the gas pressure in and out of the gas valve.

Posted on Jun 13, 2009

  • 139 Answers

SOURCE: Hayward H250 FDP Pool heater won't stay lite

sounds like a flame sensor.remove ignitor assembly and clean with fine emory cloth or steel wool.when properly cleaned it should feel smooth for entire length of sensor

Posted on Jun 21, 2009

thepool
  • 78 Answers

SOURCE: 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.

Posted on Apr 23, 2010

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