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Exchanging Hayward gas heater header assembly

Posted by Gregorio Gil on

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5 Related Answers

john224

John Prohaska

  • 1378 Answers

SOURCE: when assembling header to heat exchanger is it

No...do not add anything to those gaskets.

Posted on Jan 21, 2010


Anonymous

  • 64 Answers

SOURCE: header cracked on hayward pool lo nox h250fdn

Headers on hayward heaters are usually warranted for 10 years, except for freeze or chemical damage. You may want to contact a local warranty station to see if you can get it replaced under warranty.

Posted on May 19, 2010

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Anonymous

  • 760 Answers

SOURCE: CE error code on hayward pool heater

CE= Communication Error between Control Module
and Display Interface Assembly
1. Disconnect and then reconnect power to heater.
2. Check for faulty wiring or connection.
Inspect Display Interface Wiring. Ensure Display Interface Plug is securely attached to Control Module. .
3. Control Module and/or Display Interface Assembly
are defective.Replace Control Module and/or Display Interface Assembly.
Here is a linkt oH aywardmanuals:
http://www.haywardnet.com/inground/products/manuals.cfm

Posted on Jul 05, 2010

Anonymous

  • 15 Answers

SOURCE: My hayward h400ed2 heater starts for 2-3 seconds

Have you installed anything in your home that uses gas? Alot of times it due to low gas pressure.

When you checked the orfices did you actually remove them? or just stick a paperclip inside and clean them?

If the heater is firing ..even for 2-3 seconds the ignightor is fine. If it wasnt it wouldnt lite, period... bad call on hayward

Posted on Aug 22, 2010

Kieran Ruppert

  • 990 Answers

SOURCE: hayward h250 milivolt heater cycles

Check the disc and shaft on the by-pass, then check to see if you have an external by-pass and be sure it is closed if you have one, then adjust it open a small amount.

Posted on Aug 15, 2011

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1 Answer

How to replace the Thermostat in Hayward pool heater


go to pool store and spend the money on
Alladin or Magic Lube. It is a bit expensive and a good sized tube but its designed for your pool system. use it on all your gaskets and threads. DO NOT USE PETROLEUM BASED (vaseline)

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This will be a water flow problem. If you have a heater by-pass it will need to be almost closed (80-90%) If the water has overheated you may need to remove the header going into the heater and replace the internal by-pass assembly.

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I have A hayward heater H100IDEVERYTIME the heater kicks on it makes A clunking noise and the inlet hose shakes


Check your water flow and make sure your by-passes are set to send water threw the heater. That is to say shut off. The water in the heater is over heating and the clunking is the water turning to steam.

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The bypass assembly inside of the header has failed. It will need to be replaced. I would also replace the internal thermostat while you are in the header.

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1 Answer

Fixing our hotel's Hayward CSPAXI55 spa heater.


You can probally get a manuel on line if you go through Hayward.
When he took the old one out he probally just wired the circut together where the temp assembly goes into the cabnet in the top right front of cabnet in the upper panel. Then the temp probe runs around the side to the water header or manifold. If this is in the orignal spot it is on the right of the heater and easy to find. I'm not sure but if the exchanger has been turned then it will be around the back side of the header and it will be on the left side of the heater. Geting a manuel for this is a good idea anyway, good luck.

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Header cracked on hayward pool lo nox h250fdn heater. need to replace the header. Please help?!


Headers on hayward heaters are usually warranted for 10 years, except for freeze or chemical damage. You may want to contact a local warranty station to see if you can get it replaced under warranty.

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1 Answer

Service SF


The temp probe is the metal disc in the header about the diameter of a quarter with three wires on it that plug into the back of the control board. Per Hayward:

Owner's manual.

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