SF Series Dimension Chart

 

Model Number SF-20/20F SF-25/25F SF-30/30F SF-35/35F SF-42/42F
BTUH Input
Height
Width
Depth
Voltage
Amp. Draw
Ship Wt.
Unit Wt.
20,000
7 1/2"
17"
20"
12 VDC
6.5
35 lbs.
32 lbs.
25,000
7 1/2"
17"
20"
12 VDC
6.5
35 lbs.
32 lbs.
30,000
7 1/2"
17"
20"
12 VDC
6.5
35 lbs.
32 lbs.
35,000
7 1/2"
17"
20"
12 VDC
9.0
35 lbs.
32 lbs.
40,000
7 1/2"
17"
20"
12 VDC
11.5
35 lbs.
32 lbs.
Duct Outlet Size:
Sides/Bottom
Bottom
4" Round
4" x 14"
4" Round
4" x 14"
4" Round
4" x 14"
4" Round
4" x 14"
4" Round
4" x 14"*

 

 

 

SH Series Dimension Chart

Model Number SH-35 SH-42
BTU/h Input 35,000 40,000
Height 91/4 91/4
Width* 17 17
Depth* 20 20
Amp Draw 8.2 10.6
Unit Weight 35 lbs. 35 lbs.
Duct Outlet Sizes
Sides/Front* 4 Round 4 Round
Bottom/Top* 4 x 14 4 x 14
* Same as current SF Series

Propane furnace efficiency & LP consumption:
Currently there are no standards set for the RV Industry for furnace efficiency ratings. Suburban manufactures a wide range of models for RV's with some higher than others but can average between 75 and 80% efficiency depending on the model. These are most efficient with regard to the actual physical sizes as space premium consideration in development of RV's and equipment. Propane (LP Gas) burn rate depends on the size orifice and BTU of the furnace which is calculated by this factor x times the pounds per hour. LP gas weighs 4.2 lbs per gallon. For example a 30,000 BTU furnace will burn 1.39 lbs of LP per hour.

12/14/2007

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