Installer Manual 255/LOGIX 742-762-764 - Installation
36 / 92 Ref. MKT-IM-021 / A - 20.02.2019
• Failure to provide enough vertical compensation may lead to different kinds of damage, either on
the valve thread which connects to the tank, or on the female thread connection of the tank that
connects to the valve. In some cases, damage may also be seen on the valve inlet and outlet
connections.
• In any case, any failure caused by improper installation and/or piping connections may void the
warranty of Pentair products.
• In the same way, using lubricant* on the valve thread is not allowed and will void the warranty for
the valve and tank. Indeed using lubricant there will cause the valve to be over-torqued, which
may lead to valve thread or tank thread damage even if the connection to piping has been done
following the above procedure.
*Note: Use of petroleum-based grease and mineral based lubricant is totally forbidden, not only on the valve thread, since
plastics (especially Noryl) will highly suffer from contact with this type of grease, leading into structural damage hence to
potential failures.
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