water tank level
I have a new flagstaff high wall t21QBHw pop up. How do I check the water level in the tank? Can't see the tank except by crawling under the unit and it does not have any gauges, lights, etc. Any s...
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My unit is older, but as far as I know it is as you stated. My tank is 20 gal. and I use a 5 gal. jug to hold the gray water. I try to keep track that way.
