Replacement for Dometic Furnace Model DFMD25121

Question

Question:

Hello, I am looking for what product replaces your dometic rv furnace item 35439 model DFMD25121. Thanks

asked by: Gwen

0

Expert Reply:

Hey Gwen, thanks for reaching out!

To replace the Dometic DFMD25121 furnace you need the part # DMC94RR - I confirmed this with Dometic directly.

expert reply by: Jon G

0

Jerred H.

1/5/2026

Hey Gwen, did the DMC94RR furnace end up being a good replacement for your old Dometic model? Knowing how the swap went could help others looking to update the same unit.

Answer 1

Thanks for the info you listed. Based on that the correct replacement motor is the part #LC295380.

view full answer...

Answer 2

Hey Charles, we have RV furnaces like the Dometic RV LP Gas Furnace #DMC47SR that would work great but this does need to have access to outside air for combustion air intake and for the exhaust. These are all basically the same dimensions though and…

view full answer...

Answer 3

I reached out to my contact at Progressive Dynamics and he said the 60 amp #PD9160A Converter will work just fine to replace your existing PD9155. The slight increase in amperage isn't an issue at all and there aren't any safety concerns.…

view full answer...

Answer 4

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

view full answer...

Answer 5

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

view full answer...

Answer 6

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

view full answer...

Answer 7

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

view full answer...

Answer 8

Hey Steve, welcome back! The difference between these two Hellwig Adjustable Big Wig Rear Anti-Sway Bars is the fitment. The #HE94FR is designed for 4WD models and the #HE97MR is designed for 2WD models. Since your 2019 F-250 is 4WD you need the…

view full answer...

Answer 9

Hi Frank; the #RP74FR (68204) and #SWW-06 look different because they are a little different. The #RP74FR is only designed to work with the 68220 and 69220. If you have a different Sidewinder this wedge will not fit. It also fits a wider range of 5th…

view full answer...

Answer 10

Hey Trevor, nice truck and trailer! For your 2024 Ford SuperDuty truck, you can definitely go with either option: - SumoSprings Solo Custom Helper Springs - Rear Axle #SSR-127-47 (1,500lb capacity) - SumoSprings Solo Custom Helper Springs - Rear Axle…

view full answer...

Answer 11

Hello Jeffry, Great question. The OEM prep package (Original Equipment Manufacturer prep package) is a super handy factory option that makes towing with your truck a whole lot easier, especially if you're planning to use a 5th-wheel or gooseneck…

view full answer...

Answer 12

Hey Eric! For air bags I recommend going with Firestone. They make the most durable and reliable air bags for your 2024 F-250. If you don't mind using your phone to control the air compressor you can use the Firestone Ride-Rite Air Bags w/ Easy…

view full answer...

Replacement for Dometic Furnace Model DFMD25121

Continue Researching