I'm interested in the Cor 20 and already have a 1 inch flow sensor hooked up with 1 inch pipe . Now I'm reading that to get the most flow from the pump is to use 1.25 inch pipe however Neptune doesn't have a 1.25 flow sensor. Why would Neptune recommend a 1.25 when they don't even have a flow sensor in that size?
Would it make a difference if I changed the pipe to 2 inch and added the 2 inch sensor? If I do I can only do the first 12 inches or so of pipe before it branches off into the 3/4 inch pipe.
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