calcium buildup in valve

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I have an old Apollo 8 Classic Rainsoft with computerized Q2 valve. It's about 23 yo. I noticed when I change out O-rings on piston that it is hard to pull piston out. Notice when I stick my finger in valve after sucking out water that the valve seemed to be bumped, like speed bumps on the road. Could this be calcium build-up between the rings causing the rings to wear out and other issues like getting salt and fizz after some regen? I have noticed the salt and fizz more recently after regen (disappears after running water for about 5 min) and the O-rings are needing replacement a couple of time a year. Can I also use a Dremel buffing pad to smooth out the bumps (still not sure what they are)?

thanks,
Jim

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They made a piston reamer for this, but I doubt you can find one.
Use wood or plastic to remove the build up, scratching the cylinder walls is not good.

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@H2O MAN,

H2O Man,

I've buffed the inside of the valve with a Dremel and upon closer inspection noticed that the walls are pitted. Buildup could have been occurring over and because of the pitting. Anything I can do to keep/get this smooth?

The other thing is that the Cam is worn in a spot probably from the piston getting stuck during regen. I'm getting an answer from the local Central Florida dealer that the Cam is obsolete. They of course want me to buy a new model. Will I have to get this part, if available, from Rainsoft direct?

I guess the last question for salvaging the unit is whether anyone sells discarded units for parts? Do you happen to know?

Jim

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@jssmcnet,

jssmcnet wrote:

I guess the last question for salvaging the unit is whether anyone sells discarded units for parts? Do you happen to know?

Jim

I have over 100 of the old brass valves on hand. Send me a private message and I explain your options.

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@H2O MAN,

Hi H2O Man,

I don't know how to send private emails. Can you explain? Also, I read somewhere that it is best to put only about 60 lbs. of salt in the container.... why? It is what I do but only because I've had to empty out a few times to maintain the unit.

thanks,
Jim

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@jssmcnet,

The cylinder inside the valve where the piston rides does have a ring cut into it at a certain location. The inside of the brass valve in the cylinder should never get pitted, it's coated. If it does get pitted, it's probably a warranty issue. As long as you have the original paperwork showing that you are the owner it should be covered, unless an unauthorized person has serviced the unit. You have voided the warranty by trying to buff it out.

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calcium buildup in valve

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