Monessen Hearth MCFS36 User Manual

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DFS/MCFS36-MHS3704

Rev. 07-04

• It is recommended that the screen be used during operation of this log 

set. Always ensure the screen has adequate spaces to allow for passage 

of combustion air to the gas  log set.

• Correct installation of the ceramic fiber logs, proper location of the 

heater and periodic cleaning are necessary to avoid potential service 

problems with sooting.

• Keep small chidren and animals away from the open flame of the gas log

set at all times.

• There may be a start-up odor associated with the heating of the logs. 

The odor should diminish in 2-3 hours of operation with the burner at its

highest setting with the fan in the off position.

The DFS and MCFS series has been tested and approved by CSA as an

unvented room heater to the latest ANS Z21.11 requirements. Approved for

installation in an aftermarket manufactured (mobile) home, where not pro-

hibited by state or local codes. This unit complies with requirements to be

classified as a zero clearance unit.

32" Corner 32" Corner 36" Corner 36" Corner
Surround

Hearth

Surround Hearth

Width of mantel

62-3/8"

62-3/8"

63-3/8"

63-3/8"

Height w/o hearth 48-1/4"

5"

48-1/4"

5"

Distance from 
corner to front 
center of mantel

35-1/2"

–

37-1/2"

–

Distance from 
corner to front 
edge along wall

44-1/8"

–

47"

–

Opening width

38"

–

32" Wall 32" Wall 36" Wall 36" Wall *36" Wall  *36" Wall
Surround Hearth

Surround Hearth

Surround Hearth

Width of mantel

50-1/2"

58"

54-3/8"

61-1/4"

58"

64-1/2"

Height w/o hearth

48"

5"

48-1/4"

5"

53"

5"

Depth

17-1/4"

21-3/8"

21-3/4"

25-1/2"

22"

25-1/2"

Opening width

38"

–

42"

–

42"

–

Opening height

35-7/8"

–

35-3/4"

–

40-3/4"

–

Width of mantel top 58"

–

62"

–

64-1/2"

–

Depth of mantel top 21-1/8"

–

25-1/2"

–

25-1/2"

–

149 Cleveland Drive • Paris, Kentucky 40361

To avoid personal injury or property damage, the product described by this brochure must
be installed, operated and maintained in strict compliance with the instructions packaged
with the product and all applicable building or fire codes. Contact local building or fire
officials about restrictions and installation inspection requirements. All photographs and
drawings on this brochure are for illustrative purposes only and are not intended for, nor
should they be used as a substitute for the instructions packaged with the unit.
Appearance and specifications of the product are subject to change without notice.

© 2004 Monessen Hearth Systems, Inc.

 

B

A

Stud Location

MCFS36 DFS32/24 DFS36

DFS42

A 41-1/4"

37-1/4"

41-1/4" 47-1/4" 

B 43-1/2"

37-3/4"

37-3/4" 37-3/4" 

C 30-1/2"

28-3/4"

32-1/2"  38-3/4" 

D 15-1/4"

14-3/8"

16-5/8" 19-3/8" 

E 71-1/2"

60-3/4"

65-1/4" 70-3/4" 

F 35-3/4"

30-3/8"

32-5/8" 35-3/8" 

G 21"

16"

16" 16"

H 50-1/2"

43"

46-1/4" 50"

 

A

C

H

D

G

F

E

Corner Installation

C

 

A

G

Inside Chase Installation

Width

Height

Depth

Actual

Cert.

Framing Actual Framing Actual Framing

Model

MCFS36

DFS32

DFS36

Both

CSA

Both

CSA

Both

CSA

41" 

37" 

41" 

41-1/4" 

37-1/4" 

41-1/4" 

43" 

37-1/2" 

37-1/2" 

43-1/2"

37-3/4"

37-3/4"

20-1/2" 

16" 

16"

21" 

16" 

16" 

26" 

20-1/2" 

20-1/2" 

DFS42

Both

CSA

47" 47-1/4" 37-1/2" 37-3/4" 16" 

16" 

20-1/2" 

 

A

Recessed Installation

G

C

Manual 
Control 

BTU 

(x1000)

*MCFS36

Thermostat

Control 

BTU 

(x1000)

NG

LP

LP

NG

–

–

–

–

18-28 18-28

20-28

20-38 20-38

Millivolt 

Control 

BTU 

(x1000)

NG

LP

20-38 20-38

20-36 20-36

18-28 20-28

25-38 30-38

25-38 30-38

25-38 30-38

25-38 30-38

Hi/Lo

Control 

BTU 

(x1000)

LP

NG

–

–

18-28 21-28

20-38 22-38

20-38 22-38

18-28

Radiant or

Circulating

Opening

Height

DFS3224

Both

CSA

37" 37-1/4" 37-1/2" 37-3/4"

16" 

16" 

20-1/2" 

20-38 20-38

30-38

25-38 30-38

20-38 22-38

25-38