Need Hayward T-cell-15 replacement...

snmobley

Member
Dec 10, 2018
23
Birmingham, AL
So turns out I need a new salt cell. I inherited a Hayward T-cell-15 when we bought the house last fall and evidently it went bad over the winter. Should I just replace with the same cell and spend about $600 or go with the Inyo Pools “generic” Pureline cell for $400?

Did a quick search and couldn’t find a whole lot of info about the Pureline replacement cells. The amazon reviews appear that it is a nightmare to file a warranty claim if a Hayward is bought online and my local pool stores want $750-$800 so that’s out of the question.
 

jblizzle

Mod Squad
TFP Expert
LifeTime Supporter
May 19, 2010
42,138
Tucson, AZ
There have been reports that 3rd party cells have not lasted as long. I got one and it is having some issues in less than 1 year. Sticking with Hayward is a safe bet; although I would expect INYO to stand behind whatever warranty they are offering.
 

JamesW

TFP Expert
Mar 2, 2011
14,453
Why do you think that it's bad?

What's the serial number on the cell?

What are the diagnostic readings?

What is the actual salinity?
 

snmobley

Member
Dec 10, 2018
23
Birmingham, AL
Salinity is right around 3200-3400 tested with my Taylor kit and from my local pool store. The Aquarite controller will only read 1500-1700 no matter if I reset or recalibrate so the check cell/low salt light is always on and thus won’t generate. I’m on vacation right now so don’t have access to the diagnostics but I did have the cell tested before I left and it failed. Right now I’m using liquid chlorine until I can get it up and running.
 

snmobley

Member
Dec 10, 2018
23
Birmingham, AL
And this is a new fill up because we had the liner replaced so the salt cell hasn’t worked since last fall. Not sure how it just fails over the winter but it appears it may have. I was stupid and left it out (I am pretty confident previous homeowners did too) over the winter so that could be the culprit.
 

snmobley

Member
Dec 10, 2018
23
Birmingham, AL
Alright, I’m back from vacation so here are my diagnostics and the serial number from the cell. I’m just going to guess the diagnostics zeros are not a good thing...

1700 (tested at 3400)
85
31.3
0.00
65P
0
AL-0
R 1.59
T-15

The salt cell serial number is 3E1008-2028683
 

JamesW

TFP Expert
Mar 2, 2011
14,453
The cell is from 2010. So, about 9 years old.

Move the switch to off for a minute and then back to auto and recheck the readings.
 

snmobley

Member
Dec 10, 2018
23
Birmingham, AL
Everything is identical expect the salt is now reading 1600. Nine years sounds like a good life for one of the cells based on what I’ve read on here so time to replace?
 

JamesW

TFP Expert
Mar 2, 2011
14,453
Move the switch to off for a minute and then back on and immediately go to the instant salinity and watch what it does.

It should start high and scroll down to a stable number before going back to zero.

Let's see what the stable number is.
 

snmobley

Member
Dec 10, 2018
23
Birmingham, AL
It stabilized at around 800-900 before going to zero.

Another weird thing I noticed now that I’m learning more about these diagnostics is that the % output diagnostic level is reading 65% even though the dial is set on 50%. Is that normal?
 

JamesW

TFP Expert
Mar 2, 2011
14,453
I would say that the cell is bad. I would suggest an original Hayward T-15 over a generic but some people like the generic.

The percentage setting on the dial should match pretty close to the digital readout, but it's usually not exact. +/- about 5% is typical. More than 5% indicates that the dial might be beginning to fail.

Go to the digital % and rotate the dial to see if it moves smoothly or erratically.
 

snmobley

Member
Dec 10, 2018
23
Birmingham, AL
New Hayward cell is on order from Amazon and will be here tomorrow. As far as the dial...the numbers move smoothly as I rotate it so it appears to be working correctly. I guess I'll just need to remember I'm 10-15 percentage points off when I set it. I assume the diagnostic screen is what I should go by and not the dial?
 

JamesW

TFP Expert
Mar 2, 2011
14,453
Correct, go by the screen readout.

You might be able to clean the controller by removing the display board and spraying it with contact cleaner.

 

ping

TFP Expert
LifeTime Supporter
Jun 24, 2011
2,979
Long Beach, CA
Go by the diagnostic readings.

I never had a problem with getting a cell replaced that was bought online and using the warranty to replace the Hayward cells. Register the cell with Hayward's warranty department when you get the cell. I have an authorized Hayward rep near me that I have replaced 2 cells under warranty.
 

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