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Internet #204264807

Model #CMF2 80 PO

Mobile Home 75,000 BTU Oil Hot Air Down-Flow Furnace

  • 70,000 BTU Oil Mobile Home furnace has a classic design
  • Product sold without installation or permitting
  • Equipment should be sized/installed by a qualified professional
  • See More Details

Frequently Bought Together


Product Overview

The CMF2 Series Furnace is a classic and time honored design. The CMF2 is a versatile and reliable product such as space heating, garages, hunting camps or single story residential structures. The new model CMF2 Furnace incorporates a multi-speed blower and multi-fired burner. Classic design countered with new technology make the new CMF2 today's choice for a multi-application fossil fuel heating appliance.
  • Factory setting is 75,000 input BTU and output is 60,000 BTU
  • Multi-firing technology in gas and oil burner
  • Beckett oil burners are standard equipment
  • Classic 18 in. W dimension for tight replacement jobs
  • MA 100, MA 200, and CB 200 bases for versatility in applications
  • Drum/tubular heat exchanger assures long life
  • Equipment should be sized, selected and installed by a qualified professional to ensure proper installation, safe operation, adherence to federal, state and local codes and for valid warranty; see installation guide for more details
  • Professional installation recommended
  • Click here for more information on HVAC Installation
  • California residents

Info & Guides

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Product Depth (in.)
Product Height (in.)
Product Width (in.)
Vent diameter (in.)


Annual Fuel Utilization Efficiency (AFUE) (%)
Energy Consumption (kWh/year)
Fuel Gauge
Fuel Tank Capacity (gallons)
Heat Output (BTU/hour)
Heat rating (BTU/hour)
Heating Product Type
Forced Air Furnace
Heating Technology Type
Motor Type
Number of Blower Speeds
Power/Fuel Type
Product Weight (lb.)

Warranty / Certifications

Certifications and Listings
CSA Listed,ETL Listed
Manufacturer Warranty
1 Year

Questions & Answers


Where is the wiring schematic

Asked by Tom December 1, 2020

Miller has made mobile home home furnaces for decades and they have changed over that time. The internal wiring schematic is specific generation you are working on and will be in the manual for that generation. As to the over arching methodology. You bring power to the primary control and then bring the thermostat to the TT connection and when the thermostat closes the ignition cascade for that that generation begins.

We currently have a Miller 64,000 BTU Oil Hot Air furnace and need to replace. Will this model f...

Asked by Comeyfam September 17, 2020

most mobile homes have the same general space and design for mobile home oil furnaces, most will fit in the same area and might only require an extended pipe due to being shorter or taller than other furnaces. The easiest and best way is to simply measure your old furnace and look at the size of this one. This is a basic sized mobile home oil furnace and fits in most mobile home furnace closets.

Is this a split system w air conditioning?

Asked by Meg May 13, 2020

No this is a heating furnace only. Cooling is not included with this item. If cooling was desired the HVAC contractor would install an "A coil" in the plenum of the heating system and connect it to an AC compressor mounted out side. The fan in the furnace would be wired to run when needed and act as what is called an air handler.

How do you clean a Miller furnace eye

Asked by Patricia February 10, 2020

I am not sure I understand what you mean by 'Furnace Eye". If you are referring to the "Cad Cell" I typically don't clean them, I replace them as part of the furnace cleaning. If you open up the parts breakdown found under the header "info and guides" on the Home Depot product listing page you will find it as part #23. It is not a Miller specific item, as it is part of the burner.

My furnace keeps going on and off when it starts up. What's going on with it

Asked by Monzy December 8, 2019

There a number of different things that could be wrong, I cannot offer a theory based on the information provided. Basically I would use a volt meter and figure out what component is stopping the cascade of operation.

What are the CFMs of the output hot air? I’m trying to figure out how many 8 inch ducts I need t...

Asked by TORCH November 24, 2019

That depends on the blower speed selected. Please consult the PDF of the specification sheet found on the product listing page under the header "Info and guides"

you do the installation too

Asked by My November 17, 2019

Hi there, since the Home Depot does not install, you may be able to find a Home Depot recommended professional in your area at proreferral.com. Please visit proreferral.com or call 1-855-723-2266 for further assistance with this particular project inquiry. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot! www.proreferral.com/

Legal to install in a house

Asked by Lily73 November 14, 2019

This is normally a mobile home furnace which fits inside the small mobile home furnace closet. It can be installed inside a house depending on the current setup of the house, but usually not. This type of furnace is made to have the stack go up to the mobile home roof, AND on the bottom to co-exist with the trailers AC system, where both systems use the mobile home vents for both purposes. Most houses have house-specific oil furnaces that are designed for houses in mind.

where do I buy the roof jacketed assembly

Asked by bozo September 26, 2019


I have a Miller CMF100 PO furnace currently in my mobile home,I'm looking to install a new has f...

Asked by Kms23 June 12, 2019

yes they should be fine. Mobile home furnaces are usually general in design with slight differences in height only. Both of these oil furnaces use the same base Ma100 or MA200 universal base and flue. Both use the same general size and installation instruction manuals and instructions.

Mobile Home 75,000 BTU Oil Hot Air Down-Flow Furnace - page 2

Customer Reviews

  • 4.3
    out of 18 reviews
  • 86% recommend this product
Filter by:
Showing 1-10 of 18 reviews
The furnace will work great...
The furnace will work great
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
1 person found this helpful
Very happy with our new furnace, hopefully this will last our lifetime!
Very happy with our new furnace, hopefully this will last our lifetime!
by DEE
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
quieter and more powerful blower also can turn blower fan...
quieter and more powerful blower also can turn blower fan on to assist my old centrel a/c
by trap
This unit fit right into place removed old furnace and...
This unit fit right into place removed old furnace and installed new one in about a hour works like a clock
by HomeDepotCustomer
1 person found this helpful
by timmyv
the furnace is what we expected,unfortunatly the overall quality was...
the furnace is what we expected,unfortunatly the overall quality was not what we expected the screws to secure the blower to the housing were never installed,therefore during shipping the fan was bouncing around,i had to go out and purchase screws to secure it properly,so as far as a high quality furnace i got something that was not quality checked as far as i am concerned,luckily it works as it should after repairs.
Showing 1-10 of 18 reviews