What is the thread size for the inlet and outlet ports?
What is the thread size, or designation, in the inlet and outlet ports?? I can’t find it anywhere.
Update 4-20-2021
I believe the model is GCF Marco UP3-R
689035
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Hi @z1nonlyone ,
Here are the specifications for a Marco UP3-R pump.
Reading the specs it states: “The –R versions are fitted with a 3 positions switch for the inversion of flow direction”.
I assume that this means that it is reversible, and that the in and out ports would depend on which way the switch was thrown, but I may be wrong ;-)
Hopefully this is of some help.
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You're correct!
