Got it in
You can still see the indent that the old one left, but hopefully that will go away some. This was way more than an hours work. The instructions are useless. Yours may be less trouble as it is a newer unit. Mine is a 2004, 1500
heat pump unit. The duct adapter is included with this, you do not need to order one like I did
The hardest part was getting the duct adapter to fit and stay in place. I ended up enlarging the duct adapter opening and used 2 metal screws to hold it in place (the 2 sided tape that came on it would not hold) . You only need to order this:
Dometic 3310742.014 ADB RV Wall Thermostat Polar White.