I have camped in RV's where the water pump sounds like a M16 on "Full Auto". Going a weekend with that is tolerable. FTing with that is out of the question. I don't imagine any mfrs actually put water in these units at the shows, so you can test things out, do they?
*On Edit~ Remember... my four shoulder surgeries in the past 18 months are not going to allow me to do a lot of after market mods.
Actually, I did put in a garbage disposal under our sink a month or so ago by myself. Only residual effect was that Cheryl had a heart attack when she came home and saw what I had done,
and also 3 days of Vicadin. Disposal works good... refilled my Rx... don't see what all the fuss was about. Cheryl does watch me a lot closer, though, so I "don't try something stupid like that again".
(I think she has spies, now too.)