not sure why you'd buy a tv mount from a RV store, when you can find plenty of similar ones at much cheaper places.
unless you're having them install it.
by the way, your 192 is a hybrid and we have a Hybrid section here with a Surveyor sub-forum.
just in case you want to post questions specific to your type of trailer.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC