spa parts, hot tub parts and repair help
spa parts, hot tub parts and repair help
spa parts, hot tub parts and service help
spa parts, hot tub parts and repair help
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Valve Section Replacement,
Valterra/Magic Plastics

Note that this section is intended for repair of an existing split type 'slicer' valve.  In this example, I'm using a Valterra center section to replace a  freeze damaged Magic Valve of the same type.  No preferences to either brand, as they're both good valves.  The Valterra is what I had available at the time for a replacement.
Safety Warnings!
Remove Power from the spa/hot tub BEFORE performing this procedure. Failure to comply with this requirement, can lead to electrical shock and/or electrocution!

In most cases, you must also drain the spa prior to beginning this procedure.


In this image, you can see in the highlighted area that this particular valve has split in the handle section, causing quite a serious spa leak when the pump is turned on.
This replacement is documented rather quickly, with few pictures, but it's really nothing more than common sense.  That is, 4 bolts hold the valve together.  Inside there are two gaskets that, after a number of years, usually begin to leak.  Adding bad water quality to the mix does accelerate the rate of  deterioration.

First thing to do is remove the four through bolts that are holding the assembly together.  In this case, I was also able to remove half of the assembly from the spa so I could work on it separately.  
Thanks to some perfectly sized gaskets from Onyx Water Products, I set this thing up so that the gasket seats around the protruding ring edge from the flange.


Using Permatex Number 2 sealant, I apply a light coating on the flange.
Then position the gasket.

The new valve comes assembled as a 3 piece assembly, so what I've done is remove the bolts and separate the new internal valve and gaskets from the new flanges. 
Then, I do the same application of Permatex on the mounted flange, along with a gasket.

Then I reassemble all the components, and install the new bolts that were removed from the new valve.

All that's left now is to refill the spa, and check for leaks.


Metro Atlanta Spa/Hot Tub Service
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