Check with Mobile Must Haves in Michigan. They are an authorized Thetford dealer and sell both replacement hoses and Sanicon units.
I purchased one from them a couple months ago when no one else had them.
John, Sharon & (Luna)-Blk.Tri.Australian Sheppard
2022 Newmar LA 4551, 2019 DS4018 Sold
21' Tahoe Z71, Demco base, Avail bar, Air Force 1.