

Duct Collar has suburban RV furnaces and its duct outlet sizes are suitable for NT-24SP, NT-30SP, NT-34SP and NT-40 are sides 4 inches round and bottom - 10 inches x 3-1/4 inches. Review: Worked for an Atwood furnace . Quick shipping too. Review: I had one duct for the whole back half of the camper and that blew toward the side door so I used this and some vent pipe and an outlet grill from the auction site to add a vent pointing towards the back.
| Manufacturer | Suburban |
| Brand | Chevrolet |
| Model | SB050715 |
| Item Weight | 2.08 ounces |
| Product Dimensions | 4 x 1.13 x 5 inches |
| Item model number | 050715 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 050715 |
A**R
Worked for an Atwood furnace . Quick shipping too.
N**R
I had one duct for the whole back half of the camper and that blew toward the side door so I used this and some vent pipe and an outlet grill from the auction site to add a vent pointing towards the back.
T**B
good product and a good price, used on my Atwood since the price was much lower and they worked fine.
J**N
Exactly what we needed! worked great and was easy to reinstall onto our trailer furnace!
M**.
Added ducts to an atwood furnace to help cut down its short cycling due to not enough air flow and it reaching the high temp limit too fast
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