Valve Section Replacement,
Valterra/Magic Plastics
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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!
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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.
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Disclaimer
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READ FIRST BEFORE YOU CONTINUE
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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.
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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.
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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.
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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.
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Using Permatex Number 2 sealant, I apply a light
coating on the flange.
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Then position the gasket.
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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.
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Then, I do the same application of Permatex on the
mounted flange, along with a gasket.
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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.
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