Originally Posted by Big Willy
Isn't the purpose of the "City Fill" selection to fill your tank? Wouldn't that be why your tank is overflowing? For city water connection use "City Fixtures".
This all that needs to said. Are as far monitor level mine is off at least 15 gal on the low end. I can't tell about the high end a never wanted to pressurize my tank as you may be doing.
One other thing you may watch for and you may be doing it. Always remove the pressure on both sides the Anderson Valve before turning to a difference position.
Clay 2016 MS 38PS3