Suburban SF-20FQ User Manual

5
3" MAXIMUM WALL THICKNESS
TUBE, AIR INTAKE
WITH GASKET
VENT CAP AND
EXHAUST TUBE
SEE DETAIL "A"
OUTSIDE SKIN
FURNACE CABINET
FRONT
ELECTRICAL
CONNECTION
GAS CONNECTION
INSIDE WALL
(2) 2 1/4"
DIA. HOLES
ANCHOR CABINET TO COACH FLOOR
AS ILLUSTRATED (2 PLACES)
TIE DOWN SCREW (FURNACE TO CABINET)
CAULK BEHIND VENT CAP AS SHOWN TO SEAL
BETWEEN EXHAUST AND INTAKE AND TO
PREVENT MOISTURE INSIDE FURNACE
COMPARTMENT. APPLY CAULKING GENEROUSLY
AROUND PERIMETER OF VENT CAP AND ACROSS
CE
NTER AS SHOWN. CENTER PUTTY STRIP IS
ESSENTIAL.
DETAIL "A"
VENT CAP AND
EXHAUST
TUBE, INTAKE AIR
WITH GASKET
OUTSIDE SKIN (PANEL)
Figure 1
SF-20FQ, SF-25FQ, SF-30FQ, SF-35FQ, SF-42FQ, STANDARD VENT INSTALLATION
X"
INTAKE: 1/2" MINIMUM OVERLAP
EXHAUST: 1 1/4" MINIMUM OVERLAP
2
3
4
DIA.
2
3
4
DIA.
C
L
L
C
EXHAUST INTAKE
X" DIMENSION
0" TO 1 1/2"
1 1/2" TO 3"
3" TO 4 1/2"
4 1/2" TO 7 1/2"
7 1/2" TO 9"
EXTENSION TUBES KIT NO.
520767
520768
520968
520551
USE VENT SUPPLIED WITH FURNACE
TRAILER SKIN
VENT CAP
FRONT GAS
HOOKUP
MOUNTING
SURFACE
NEVER INSTALL THE EXHAUST TUBE WITH LESS THAN
1 1/4" OVERLAP, OR THE INTAKE TUBE WITH LESS THAN
1/2" OVERLAP.
STANDARD VENT ASSEMBLY FURNISHED WITH FURNACE.
SPECIAL EXTENSION TUBES, IF NEEDED, MUST BE
ORDERED SEPARATELY. EXTENSION KITS COME WITH
COMPLETE INSTALLATION INSTRUCTIONS.
1"
Figure 2

Suburban SF-20FQ Specifications

General

Brand	Suburban
Model	SF-20FQ
Category	Furnace
Language	English