Direct-Vent & Top Vent Counterflow Wall Furnaces–
Now in New Modern White Color!

The combination of fan-forced efficiency, counterflow heat delivery and sealed combustion makes Cozy Direct-Vent Counterflow Wall Furnaces the perfect heater for multi-story units, room additions, garage apartments, vacation homes, and more. Cozy Top-Vent Counterflow Wall Furnaces can be mounted on any inside or outside wall, allowing maximum installation flexibility. The powerful, thermostatically controlled blower draws cool air into the upper grill and delivers warm air at floor level, distributing heat uniformly throughout the room.

Product Features

Wall Thermostat
Standard on all units assuring convenient operation

Thermostatically Controlled Blower
Draws cooler air into unit top and distributes heat at floor level

Standing Pilot (Low BTU)
Available as standard equipment, featuring 100% shut-off

Manual Spark Igniter
Eliminates the need for matches or lighting tools. (Standing Pilot units only)

Multi-Port Stainless Steel Burner
Provides excellent flame characteristics and quiet ignition and extinction

Optional Side Outlet Kits
Available to disperse air to unit sides or adjacent rooms

Optional Cabinet Trim Kit
Available to trim out recessed installation

Junction Box
Provides inside upper casing to facilitate installation

Counterflow up to 9-1/4″ Direct Vent Counterflow up to 10″

10 Year Warranty
Cozy offers a 10 Year Warranty on the heater exchanger.


WARNING: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer, and Lead, which is known to the state of California to cause birth defects or reproductive harm. For more information, go to

Model SpecificationsAccessoriesImportant
Model #
CF403 / CF553
DVCF403 / DVCF553
Type Control
24 Volt / 24 Volt
24 Volt / 24 Volt
Type Gas
Nat.* / Nat.*
Nat.* / Nat.*
BTU Input / Hr
40000 / 55000
40000 / 55000
Vent Size (Oval)
4”/ 4”
4”/ 4”
Gas Inlet
1/2” / 1/2”
1/2” / 1/2”
Unit Dimensions
14-5/16” / 14-5/16”
14-5/16” / 14-5/16”
81-5/16” / 87-5/16”
78-5/8” / 87-5/16”
10-1/4” / 10-1/4”
11-3/4” / 11-3/4”
2.25 / 2.25
1.95 / 3.05
Blower Speed
1 / 1
1 / 1
440 / 440
320 / 440
Shipping Weight
104 lbs / 107 lbs
130 lbs / 144 lbs
LP Conversion Kit #
49267 / 49297
49284 / 49495
High Altitude Conversion Kit #
CF503 or CF504 / CF653 or CF654
N/A / DVCF653 or DVCF654
*Propane conversion kits available. Specify altitude if other than 2,000 ft
16” Vent Enclosure Kit
Model #: 16VEA Weight: 6 lbs
24” Vent Enclosure Kit
Model #: 24VEA Weight: 9 lbs
36” Vent Enclosure Kit
Model #: 36VEA Weight: 11 lbs
Rear Register Kit, Flush Mount
Model #: 406RR-A Weight: 14 lbs
Rear Register Kit, Recess Mount
Model #: 407RR-A Weight: 6 lbs
4” BW Oval Vent Kit
Model #: 4OVK Weight: 9 lbs
Side Casing Grill Kit (GR & Boot)
Model #: 306SR-A Weight: 3 lbs
Side Outlet Kit W/10” Boots
Model #: 30SRB-A Weight: 10 lbs
Cabinet Trim Kit
Model #: 31300-A Weight: 3 lbs
Plug Extension Kit
Model #: 14PEK-A Weight: 5 lbs
Remote Control Thermostat
Model #: 3003P Weight: 1 lbs
  • Wall furnace components must not be interchanged or mixed to make a complete furnace.
  • Combustion chamber and burners carry a ten-year limited warranty. All other parts carry a one-year limited warranty.
  • Massachusetts Approval G3-0613-640.
  • Read the owner’s manual before use/installation.
  • Check local codes and ordinances for permitted uses.
  • Installation and servicing recommended by a qualified service person.
  • Please consult installation manual for clearances prior to installation.
  • Venting must comply with the installation manual.
  • Please read the warranty for any limitations or disclaimers.
  • Cozy Heating Systems LLC reserves the right to amend product specifications without notice.