Installer manual Fleck 5800 XTR - Installation
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Ref. MKT-IM-006 / E - 12.11.2019
• failure to provide enough vertical compensation may lead to different kinds of damage, either
on the valve thread which is connected to the tank, or on the female thread connection of the
tank. In some cases, damage may also be seen on the valve inlet and outlet connections;
• in any case, any failure caused by improper installations and/or piping connections may void
the warranty of Pentair products;
• in the same way, using lubricant* [
Page 42] 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 used (especially Noryl) will highly suffer from contact with this
type of grease, leading into structural damage hence to potential failures.
