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Commercial pool shelf drains can be a challange to pressure test and the plumbing underneith is notorious for breaking. Just removing the grates can be a challenge if they are cemented in. These new shelf drain testers are for dye testing underground plumbing for leaks during the initial stages of dye testing. Simply put; if the pump has been off and the valves are isolated, a broken shelf drain will pull dye into the clear tube indicating a break in the pipe under the shelf. It is a very effective way to quickly determine if the plumbing is the problem.
The plugs answer the question- is the SHELF DRAIN SYSTEM plumbing broken or not?. The computer designed covers are made of resilent silicon and is super flexible on the edges. They are weighted with lead to firmly hold them in place. Included in the set are six shelf covers with one having the static dye test tube. The 6 units are on a hanging hook taking up little space in your van.
SHELF DRAIN COVERS 1 SET OF 6 $48.00 +$6 shipping
SET OF 20: $140 + 10 shipping
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