Quote:
Originally Posted by lockrookie
What's your over flow plumbing size? If you have the latest generation quiet one pump see If you can turn it down. As well you have alot of turns on the overflow pipe it may be causing back pressure or restricting somewhere. Also try taking that thingamajig of the main line it may be restricting.
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1.5" drain line. The thingamajig is just a check valve with a union on either end for servicing or replacing the check valve. I thought perhaps there was some back pressure but even with just a bulkhead wide open the tank fills before there is barely anything in the overflow box, for example the tank fills to the point of almost touching the eurobracing before there is anything significant in the overflow box. I just tried again and i quickly started dialing in the gate valve thinking maybe I just had to start a full syphon and nope it stay at about the point of overflowing the display.
The drain line as complex as it may look is not actually that many twists and turns and the ones it does have are made of 2-45*'s and everything has a down sloping angle. I dunno perhaps it is the line causing back pressure.