neither NADA nor RVWeb show a T-23 model.
should call FR with the VIN and see if they can help.
the owner's manuals are generic and will not give you the info you're looking for.
the bypass for the water heater has to be near it.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package