
PRODUCT SPECIFICATIONS
GAS RATING - NATURAL
  | M36(B,H), VM36(B,H)  | M42(B,H), VM42(B,H) | 
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Max. Input Rating:  | 40,000 Btu/Hr  | 45,000 Btu/Hr  | 
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Manifold Pressure:  | 3.5 in. WC (.87 kPa)  | 3.5 in. WC (.87 kPa)  | 
Minimum Supply Pressure:  | 4.5 in. WC (1.12 kPa)  | 4.5 in. WC (1.12 kPa)  | 
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Maximum Supply Pressure:  | 10.5 in. WC (2.66 kPa)  | 10.5 in. WC (2.66 kPa) | 
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Orifice Size: | # 30  | # 29  | 
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GAS RATING - PROPANE/LP | ||
  | M36P(B,H), VM36P(B,H)  | M42P(B,H), VM42P(B,H)  | 
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Max. Input Rating:  | 40,000 Btu/Hr  | 45,000 Btu/Hr  | 
Manifold Pressure:  | 10 in. WC (2.49 kPa)  | 10 in. WC (2.49 kPa)  | 
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Minimum Supply Pressure:  | 11 in. WC (2.74 kPa)  | 11 in. WC (2.74 kPa)  | 
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Maximum Supply Pressure:  | 13 in. WC (3.23 kPa) | 13 in. WC (3.23 kPa)  | 
Orifice Size: | # 52  | # 50  | 
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A
For Use With 6"Ø Type 
Stand Off  | 
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Collar  | 7"  | 
BC![]()
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7"  | Alternate  | |
Gas Supply  | ||
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  | Inlet  | 
X
K
Outside Air
Kit Location I
(Optional) J
R  | S T  | 7"  | 
 P ![]()
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Q
E
D
L
M
F
HEARTH AREA  | H  | 
DIMENSIONS  | 
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G
Glass Door  | 1.5"  | |
13.5"  | ||
(Optional)  | ||
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NO
W
V![]()
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  | Model 36  | Model 42  | 
  | Model 36  | Model 42  | 
  | Model 36  | Model 42  | 
A  | 29"  | 36"  | I  | 40 1/4"  | 44 1/4"  | Q  | 13 7/8"  | 14"  | 
B  | 5/8"  | 5/8"  | J  | 21"  | 24"  | R  | 10 1/2"  | 12 1/2"  | 
C  | 41"  | 48"  | K  | 8"  | 9"  | S  | 2 1/2"  | 2 1/2"  | 
D  | 12"  | 14"  | L  | 34 3/4"  | 42"  | T  | 8 1/8"  | 8 1/8"  | 
E  | 21 1/4"  | 23"  | M  | 42"  | 49"  | U  | 11"  | 12 3/4"  | 
F  | 22 1/4" (24" w/o Brick)  | 29 1/4" (31" w/o Brick)  | N  | 36"  | 40"  | V  | 7"  | 7"  | 
G  | 32 5/8" (34" w/o Brick)  | 39 1/2" (41 1/4" w/o Brick)  | O  | 37"  | 41"  | W  | 2 1/4"  | 2 1/4"  | 
H  | 15 3/4" (16 3/4" w/o Brick)  | 17 3/4" (18 3/4" w/o Brick)  | P  | 8 5/8"  | 10 1/2"  | X  | 5"  | 4 1/2"  | 
Figure 2 - Appliance Dimensions
6  | www.desatech.com  |