This is the Tank fitting available at the RV store. It is intended to place into a hole tilted, straightened and tightened. Make sure the nut turns easily as the first one i bought did not and I was unable to tighten the nut. (The nut on the inside of the tank cannot be held) Later on I put a hatch access on the top of the tank and that would have allowed me to get my hand in.
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