2012 Thor Tuscany 42' motorhome. Long story short, the tank level gauge that is screwed into the side of the tank is leaking around the threads when I had the tank filled. I tried to tighten but did n...
Use this for the threads. I have used it for 40 years and NEVER had any type leak. It also will seal threads on Hydraulic fittings that use up to 3500 psi. One you replace and air pressure the tank, make sure you bleed off all the air to purge the tank. Doug