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CFA coils going bad quick

D

Darrell

New member
I am just wondering if anyone is having trouble with the 24 volt coils from KR that are for GC manifold blocks. It seems that I am having to replace them way to often and was wondering if I have a bad batch or if I need to change out to a different brand of manifold and coils . I have checked to make sure they are getting proper voltage several times and have no issues there .
 
I would change solenoids and go with the Kip blocks. When I worked for a distributor, the RO units we sold were built with CG solenoids using the same type of plug-in coils. They were so bad that we eventually started ordering the units with no solenoids and used another brand.

I've installed literally thousands of Kip solenoids and I can't remember ever dealing with a bad coil.
 
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I was figuring it would be best to swap to a different brand. I have replaced enough solenoids in the last two months to pay for new blocks and solenoids !
 
Just for general information.... Jim Coleman uses CFA solenoids. Or at least my "super saver" uses them exclusively.
 
My JCC equipment uses them too. Had the equip since 2005 never had a problem. Perhaps I'm lucky.
 
Just getting ready to instal a Coleman Super Saver 7 Bay stand that has been sitting for a few years has those coils. I have taken a bunch apart to check them out and everything seems ok so far.
Hope I dont have to change them all.
 
There is 56 of these coils on this stand and about half of them have been replaced. It appears that CFA has changed their manufacturing process. I can look at the older coils vs the newer ones and see a difference in the form they are molded with, it's only the newer ones that seem to not last long. I am just wondering if they have changed to a lower grade of copper inside them or some part of their manufacturing process is just not what it use to be .
 
pgrzes said:
Just getting ready to instal a Coleman Super Saver 7 Bay stand that has been sitting for a few years has those coils. I have taken a bunch apart to check them out and everything seems ok so far.
Hope I dont have to change them all.
Click to expand...

My super saver sat in my basement for years and when I installed it everything was fine. Well..... switching your pumping station is a super pain! That wasn't fine. :) Also zero down time! :) But both units fit in the same equipment room.

The older cfa solenoids say California USA. Maybe the new ones say China? :)

IMG_9389.JPG
 
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Darrell said:
There is 56 of these coils on this stand and about half of them have been replaced. It appears that CFA has changed their manufacturing process. I can look at the older coils vs the newer ones and see a difference in the form they are molded with, it's only the newer ones that seem to not last long. I am just wondering if they have changed to a lower grade of copper inside them or some part of their manufacturing process is just not what it use to be .
Click to expand...
It might be a good idea to check the voltage. If you have 208V going to 240V transformers, the voltage to the coils will only be ~21V and they'll get hot and fail prematurely.
 
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