?     Asked on 4/5/2015by Sheila

Will this fit hayward series h FDP250 heater?
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A  Answered on 4/6/2015 by InyoPools Product Specialist Lennox H.

Sheila, Yes this will fit on the Hayward H Seies Heater.
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?     Asked on 5/24/2015by Sheila Reid

Although I needed the front panel, your parts are showing two different of the control boards that go under that. How do I know which one I need to buy?
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A  Answered on 5/25/2015 by InyoPools Product Specialist Patrick P.

Hi Sheila, The majority of the time it is the integrated control board which would need to be replaced. Here is a rather in depth Troubleshooting Manual for the Hayward Universal Heater which shows you how to do various troubleshooting tests on the heater. There is also a fuse on the control board which is shown in the upper right corner of page 10 you may want to try and replace this first before buying the front panel or control board.
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?     Asked on 9/19/2015by bob

I have a Hayward series h250 heater,am only getting 4 volts to gas valve. Do I need a new control board
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A  Answered on 9/23/2015 by InyoPools Product Specialist Lennox H.

Hi Bob, According the the Hayward H-series LoNox Installation Guide "If 24VAC is not present, gas valve relay on control module is defective. Replace control module"
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?     Asked on 5/25/2017by Dan

Will this work on a H200FDN universal h series heater?
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A  Answered on 5/25/2017 by InyoPools Product Specialist Patrick P.

Hi Dan, Yes this control board will work on a Hayward H200FDN universal h series heater
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?     Asked on 9/10/2017by Joe Eder

Hayward H250FDN heater is giving a CE (Communications Error) display. Trouble shooting manual states Control Module and/or Display Interface Assembly are defective. Both are boards are pricey. Is there a way to determine which needs to be replaced?
 Reply

A  Answered on 9/13/2017 by InyoPools Product Specialist Lennox H.

Hi, Joe Eder. You will have to conduct a visual inspection of both boards. Sometimes a singe mark will be left behind. If not then a service technician will have to troubleshoot the unit. 
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?     Asked on 4/4/2019by Michael

Our heater unfortunately endured a flood. It currently does not power up at all. What would be a good approach to replacing the electrical components? What should I try first?
 Reply

A  Answered on 4/5/2019 by InyoPools Product Specialist Lennox H.

Hi, Michael. Unfortunately, there is no good approach to this other than replacing the unit. We can offer you some assistance if you provide us with the model and serial number of the unit.
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?     Asked on 5/31/2019by Christy

Will this fit on a hayward H400FDN HEATER
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A  Answered on 5/31/2019 by InyoPools Product Specialist Lennox H.

Hi, Christy. Yes, this Integrated Control Board is compatible with the Hayward H400FDN model heater. 
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?     Asked on 5/5/2020by Dave

Hello, The problem I'm having is the heater comes on for 8 seconds then goes out I smell gas and steam than it trys 2 more times and I get a IF code.
 Reply

A  Answered on 1/7/2021 by InyoPools Product Specialist Hector F.

Hi Dave, here is a guide that we put together called "The Most Common Swimming Pool Heater Problems" that may offer some tips to pinpoint the issue. 
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?     Asked on 5/7/2020by Lynda

Will this fit a H400FD - this heater is old - was installed in 2007
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A  Answered on 12/8/2020 by InyoPools Product Specialist Hector F.

Hi Lynda, yes this control board is compatible with the Hayward Universal H series heater model H400FD
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?     Asked on 6/5/2021by Chad Sgroi

Will this fit a sta-rite 200btu heater
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A  Answered on 6/5/2021 by InyoPools Product Specialist Danny R.

No this board is for a Hayward Heater.  I am not exactly sure what part you are after and I am also assuming your have a Sta-Rite Max-E-Therm Heater.  Here is the parts breakdown for that pool heater...Sta-Rite Max-E-Therm Electrical Components
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?     Asked on 10/8/2023by Billy Jenkins

Hello, does this fit the H150FDP as well? Thanks!
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A  Answered on 10/10/2023 by InyoPools Product Specialist Jacob F.

Hello, yes, the Hayward Integrated Control Board Replacement Kit for Select Hayward H-Series Pool Heater - FDXLICB1930 will fit your H150FDP heater. 
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?     Asked on 9/18/2024by Kenneth W Rea

Will this board fit aW3H400FD pool heater?
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A  Answered on 9/19/2024 by InyoPools Product Specialist Rich N.

Hi Kenneth, yes, the Hayward Integrated Control Board Replacement Kit - FDXLICB1930 will work in your Hayward W3H400FD heater.  
 Reply