Vent and replacement fridge question

[BossCamper]

I will be replacing the fridge in our '73 Tradewind with a taller than the original fridge.
The question(s) are
1. How do the new fridges vent (do they have a stack of some sort, or do they vent into the duct like the original?
2. Can I cut the old vent duct to fit the height of the new, and then vent like the old one was?

Picture of old vent duct area (partially cleaned up)

[Minno]

Newer trailers typically have a louvered access hatch on the side for venting the fridge, and a roof vent. Fresh air comes in the access hatch and vents out the top.

On your AS, the fresh air comes in from the floor opening, and then goes out the roof. You can install a new fridge using the existing floor and roof vents. Just make sure that bottom edge of the roof vent opening is above the highest point of the fridge heat exchanger. I would make it a couple of inches higher. You may need to cut the vent, but that’s ok.

Make sure you seal up the rear area of the fridge so no air or gasses can escape into the living space in the trailer, and you should be good.

[Inland RV Center, In]

Originally Posted by BossCamper

I will be replacing the fridge in our '73 Tradewind with a taller than the original fridge.
The question(s) are
1. How do the new fridges vent (do they have a stack of some sort, or do they vent into the duct like the original?
2. Can I cut the old vent duct to fit the height of the new, and then vent like the old one was?

Picture of old vent duct area (partially cleaned up)

You can cut the reefer "scoop" to fit as needed.

Use caution though, as it can be very brittle.

Andy

[BossCamper]

Thanks for the quick replies. The answer is what I expected, but I wanted to make sure.

Thanks again.

Loris

[Globie64]

This answers my question as well, how to install a new Dometic, using the existing floor vent.