Owner's manual

STERLING SEPARATED COMBUSTION UNITS
QVSB, QVSD, QVSF, MS & SVFS
VERTICALCONCENTRIC VENT KIT (Option #M4)
VCVS-2
This Vertical Concentric Vent Kit utilizes
one 8 inch termination in which both the
discharge flue gas and the combustion air
inlet pases.
KIT CONTENTS
(1) Part No. 3603 –
Concentric Vent Box Assembly
(See Figure 1)
(1) Part No. 3605 –
Flue Terminal Assembly
(1) Part No. 3606 –
Combustion Air Inlet Cap
(1) Tube –
Silicone Sealant
(1) Part No. IIMOW6/7 –
Installation Instructions
VENTING REQUIREMENTS
Standard two pipe venting and concentric
vent kits are certified by A.G.A. and C.G.A.
as venting methods for our Separated
Combustion Models QVSB, QVSD and
QVSF. No other venting arrangements are
approved or certified for use with Sterling
Separated Combustion Unit Heaters and
Duct Furnaces.
All pipes are field supplied; 24 gauge single
wall galvanized steel is recommended. All
joints must be sealed with either high
temperature silicone or aluminum foil tape.
The maximum vent length for the combus-
tion air inlet is 50 equivalent feet. The
maximum vent length for the flue gas outlet
is also 50 equivalent feet. Allow 10 equiva-
lent feet for each 90 degree elbow, and 5
equivalent feet for each 45 degree elbow.
See Figures 2 and 3 for typical installations
of the Sterling Vertical Concentric Vent Kit.
Figure 1– Concentric Vent Box Assembly - Dimensional Data
4 In.
(102 mm)
7 In.
(178 mm)
2 In.
(51 mm)
2 In.
(51 mm)
10 In.
(254 mm)
5 In.
(127 mm)
5 In. (127 mm) Dia.
Stack Ext.
8
In. (203 Mm) Dia.
S
tack Ext.
Lock Seam
Stove Pipe Crimp
6 In. (152 mm) Dia.
Stack Ext's.
5 In.
(127 mm)
8 In.
(203 mm)
17 In.
(432 mm)
D4499
Unit Air Inlet Discharge
Capacity Size Flue Size
100, 125, 150, 200 4" (102mm) 4" (102mm)
200, 225, 250 5" (127mm) 5" (127mm)
300, 350, 400 6" (152mm) 6" (152mm)
Table 1
PROJECT:
UNIT TAG:
260 North Elm St., Westfield, MA 01085
[phone] Fax: [phone]
www.sterlinghvac.com
HVAC PRODUCTS