| Merrill heavy-duty PVC tank tees are
made of sch. 120 coupling material, the same extra heavy sch. 120 PVC
used in Merrill drop pipe couplings for years. |
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| PVC Tank Tees |
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| PVC tank tees can be cracked by installation
abuse (voids warranty) as brass and galvanized tees can be. The
pipe and or fittings screwed into a PVC or brass tee should not
be turned more than one revolution past hand tight. Pipe thread
paste or sealant compatible with PVC (teflon based) is to be used
on the threads to insure a watertight seal. DO
NOT OVER TIGHTEN. When over tightening tapered pipe threads,
the taper is a wedge that can expand threads and crack the tank
tee. Installation abuse can be determined by inspection of thread
diameter, and by number of threads on the fitting or pipe that was
installed. |
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| DO
NOT put wrench on end of tee to tighten during installation. Tees should
always be tightened with wrench on the fitting or pipe end next to the
other wrench used to turn in the fitting or pipe into the tee. Improper
installation may cause damage to the tee or loosen a joint to cause a
leak. This is not a defect in the tee. Improper installation and over
tightening threads will void the warranty. |
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