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  1. RV Furnace
  2. Dometic
  3. 40000 Btu
  4. Doorless
  5. 16-1/2W x 9T x 20D Inch
  6. 35-1/2 lbs
Dometic RV Furnace - Propane - Automatic Pilot - 12V DC - 40,000 Btu - Doorless
Dometic

Dometic RV Furnace - Propane - Automatic Pilot - 12V DC - 40,000 Btu - Doorless

Part Number: DMC72ZR
In Stock
$1,205.79
Retail:$1,330.99
You Save: $125.20
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This built-in furnace will get your RV nice and toasty far quicker than a space heater. Doorless model includes backing plate for securing exhaust vent to your exterior wall. With 40,000 Btu of heat, we recommend this for RVs about 40' long. Great Prices for the best rv furnace from Dometic. Dometic RV Furnace - Propane - Automatic Pilot - 12V DC - 40,000 Btu - Doorless part number DMC72ZR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (4)
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  • Videos (1)
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Dometic RV Furnace - DMC72ZR

  • 40000 Btu
  • Dometic
  • Doorless
  • 16-1/2W x 9T x 20D Inch
  • 35-1/2 lbs

This built-in furnace will get your RV nice and toasty far quicker than a space heater. Doorless model includes backing plate for securing exhaust vent to your exterior wall. With 40,000 Btu of heat, we recommend this for RVs about 40' long.


Features:

  • Built-in propane heating is more effective than space heaters
    • Saves battery power when you're not plugged in
  • Gas pilot relights automatically until heater is switched off
  • Doorless, compact design can be configured horizontally or vertically
    • Knockouts on back and sides work with flex and hard ducting
  • LED light on the control board flashes diagnostic codes when faults are present
  • Furnace control thermostat (sold separately) required for operation
    • Compatible with some Dometic AC thermostats
  • Mounting brackets, duct adapters, and ventilation assembly are included
  • ETL certified


Specs:

  • Application: Motor homes, travel trailers, and fifth wheels
  • Heating capacity: 40,000 Btu
  • Duct static pressure: 0.10" WC
  • Power supply: 12V DC
  • Amperage: 12.5
  • Watts: 138
  • Return air: 80 square inches
  • Overall dimensions: 20" deep x 9" tall x 16-1/2" wide
  • Weight: 35.5 lbs
  • 2-Year limited warranty


Get the Btu sizing that you need

Bigger isn't always better. Getting a furnace that's bigger than you need can cause problems. A major one is that it will burn even more propane than you need.


You really only need about 1,000 Btus for every foot of RV length. For example, a 20,000 Btu furnace would be good for a 20' trailer or motorhome. That's why we'd recommend this one for a 40' trailer.


Door or doorless?

If you're installing a new furnace, the decision between door or doorless furnace will depend on where its installed and how you can get to it for maintenance or repair. With a doorless version, only the vent plate will be visible on the outside of your RV. This gives you a cleaner look, but it also means that you must be able to access the furnace from the inside of your RV.


The doored version isn't really a door, but more of an access panel that is screwed in place. You shouldn't need to access your furnace regularly, but when you do, you will need that access panel if the furnace is mounted in a place that you can't easily get to inside your RV.



9108923366 Dometic Doorless RV Furnace - 40,000 BTU - 12 Volt DC

DFLD40121

38355

958687529

Installation Details DMC72ZR Installation instructions


California residents: click here


Video of Dometic RV Furnace - Propane - Automatic Pilot - 12V DC - 40,000 Btu - Doorless

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of Dometic RV Furnace - Doorless - DMC72ZR

Hello neighbors and friends, Steve here with etrailer.com. Let's take a look together at our 40,000 rated BTU Doorless Dometic RV furnace running on LP gas with an automatic pilot light that runs on 12 volts of DC current. So, folks, some quick dimensions to start with. 16 and a half inches wide, nine inches tall, 20 inches deep or long depending on how you mount it. That being said, you can technically mount this horizontally, like I have or vertically. It's up to you.

(hand knocking) Now, this will quickly and efficiently heat up the interior of your RV or camper and it's gonna replace or upgrade or even potentially add a furnace if you don't already have one to your camper, motor home, RV, travel trailer, fifth wheel, those kind of things. Now, it is a propane-powered or LP liquid propane. You got a connection here that runs all the way down into the furnace unit itself. You also got four wires here, two blue for the thermostat hookup, which is sold separately. And you also have a red and black for 12-volt positive and 12-volt ground.

(object knocking) So, again, thermostat's sold separately. I'll pop the item numbers on the screen for you. We carry those in black and white. You can also see we got a couple pop-out areas here on the side, two of the top, a couple on the bottom, a couple on the other side, and three out the back. They do include three of these duct (adapter knocking) attachment adapters here.

So, you get three of them. You also get a set of mounting brackets, a couple of mounting bracket installation screws, and there's a fuse inside of here. And on this sheet that it comes with, it has some instructions on it about removing existing furnace circuit only from the control converter panel. And then install the breaker fuse into converter panel furnace only circuit, and then you close the converter panel. So, that's something you need to be paying attention of when you're installing, along with all the other instructions that come with it.

It does have a nice (hand rubbing) heat shield right here. This part would be on the outside of the RV camper, et cetera. You wanna make sure you have some butyl tape, you could pick up separately to match, to make this seal watertight, weathertight from the outside where it kind of squeezes together here. So, keep that in mind as well. You've got the circuit board down in there. It's got a little LED light on it, that's your control board. It may flash some diagnostic codes or faults if you have some. So, meaning let's say you we inchesre outta gas and you didn't realize it, that could flash a light, and then based on the troubleshooting codes and the manual that comes with it, you would know, oh, okay, it's just outta gas. I need to refill my propane or swap a new tank over something of that nature. So, that assures you that it'll tell you exactly what's going on with the unit. You can remedy it really quick and get you back goin' with heat. The whole unit is ETL-certified. Once again, 40,000 BTUs. It's a nice compact design and I think that's gonna wrap it up for our quick look today folks! It does feature a low air turbulent fan here, a motor and everything, so it's gonna be quiet, a quiet operation. And like I said, you can mount this vertical or horizontally as well. It also comes with an automatic DSI gas pilot. So, that's gonna reduce the risk of gas leaks and also increase your fuel efficiency and it's gonna relight automatically until you shut the furnace off. So, meaning it's gonna continually relight automatically, unless you turn it off until, hey, I had don't need heat, so. Now, that will wrap it up for the day folks. I'm Steven, thanks for watching and have a great day!.

Customer Satisfaction Score:

Ratings & Reviews

5.0

4 reviews
This built-in furnace will get your RV nice and toasty far quicker than a space heater. Doorless model includes backing plate for securing exhaust vent to your exterior wall. With 40,000 Btu of heat, we recommend this for RVs about 40' long.

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See what our Experts say about this Dometic RV Furnace

  • Will the Dometic RV Furnace # DMC72ZR Replace My Dometic Furnace Model Number 942?
    Hello Justin, I believe that the # DMC72ZR is the same as your 942. Dometic Model 942 is likely an internal or legacy model number. The Dometic RV Furnace - Propane - Automatic Pilot - 12V DC - 40,000 Btu - Doorless # DMC72ZR is listed as 40,000 Btu, to ensure that it is a direct replacement you will just want to confirm the measurements: 20" deep x 9" tall x 16-1/2" wide. As for the cost, the Canadian standard at checkout will be the price to get it from our warehouse to your front...
    view full answer...
  • Replacement for AFMD35121 Furnace in 2018 Keystone Cougar 27SAB
    Hi Harvey; the DFMD35 series (same as your AFMD35121) has been discontinued. This leaves you with two options. You can either downsize to a 30k Btu unit or move up to the 40k unit. The 30k will fit in your existing space but you will have a little less heat. If you go up to the 40k unit it will probably require enlarging your opening since it is 2" taller. You also need to match door for door or doorless for doorless when choosing the replacement. The 40k units measure 20" deep x 9" tall...
    view full answer...
  • Availability of Dometic 38362 Furnace
    Hey Bob! The Dometic 38362 is an older model of the Dometic "Large" furnace. The current version of the LP/Natural gas large furnace is the DFLA40211/9108923372 which is not something we carry at this time. The only thing we carry are the following propane only versions of the furnace: -Dometic RV Furnace - Propane - Automatic Pilot - 12V DC - 40,000 Btu - Doorless # DMC72ZR -Replacement Dometic RV Furnace - Propane - Automatic Pilot - 12V DC - 40,000 Btu # DMC82ZR -Dometic RV Furnace...
    view full answer...


Info for this part was:

Employee Steven C
Installed by:
Steven C
Employee Wilson B
Updated by:
Wilson B
Employee Amanda M
Edited by:
Amanda M
Employee Cody B
Written by:
Cody B

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