Thanks sydyoung. Sorry about this but glad to know that you are having trouble too. When we first got the coach, I filled the tanks with no trouble and then drained the system. Now, it just accepts a little water. Really strange, almost like there was a flap valve or something that prevents water from getting in.
When I start filling, I can hear the water hitting the bottom of an empty sounding tank, but the water quickly overflows in the filler hose and no more goes into the holding tank.
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