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Ask Dave: Can I use mineral oil to lubricate my RV’s dump valve?

Dave Solberg -
Dear Dave, My RV's waste tank valves are starting to stick. A fellow camper suggested mineral oil to lubricate the dump valve. What are your...

Ask Dave: All three of my RV’s drain valves are stuck. What’s the solution?

Dave Solberg -
Dave Solberg is a leading expert in the RV industry and author of the “RV Handbook” as well as the Managing Editor of the...