SunStar SPS SERIES - Page 39

Form 43343320
-38- Aug 2012
Multiple Heater Vertical Venting Arrangement
Total
Vent
Height
Vent Cap
Flashing
2 (5cm)
Clearance
Thimble
Seal Joint
and Annular
Space
10 ft (305cm)
or less
2 ft (77cm)
minimum
2 ft (77cm) minimum
(when no wall or
parapet exists)
4 Diameter
single wall Vent
Wall or
Parapet
See multiple
vent size table
for diameter
Flue Collar
adaptor
Connections to the common vent
must be arranged to avoid direct
opposition of exhaust products.
Plan View
Multiple Heater Horizontal Venting Arrangement
4 diameter
single wall vent
Plan View
Vent Cap
(Breidert or
equivalent)
2 (5cm)
Clearance
Thimble
6 (15cm)
minimum
Y Connector
4 diameter
single wall vent
2 (5cm)
Clearance
Thimble
1/2 (12mm) fall per 20 ft
(6m) toward vent terminal
6 (15cm)
minimum
Y Connector
See Vent
Sizing Table
for diameter
See Vent
Sizing Table
for diameter
1/2 (12mm) fall per 20 ft
(6m) toward vent terminal
Flue Collar
Adaptor
Flue Collar
Adaptor
VENT SIZING TABLE
VENT SIZING TABLE VENT SIZING TABLE
VENT SIZING TABLE —
——
— Multiple Heate
Multiple HeateMultiple Heate
Multiple Heater Venting
r Ventingr Venting
r Venting
Number of Heaters
Number of HeatersNumber of Heaters
Number of Heaters
Horizontal and vertical
Horizontal and verticalHorizontal and vertical
Horizontal and vertical
Vertical Only
Vertical OnlyVertical Only
Vertical Only
1
11
1
2
22
2
3
33
3
4
44
4
SPS
/
SPU
40
4”
4”
4”
4”
SPS
/
SPU
50
4”
4”
4”
5”
SPS
/
SPU
75
4”
4”
5”
6”
SPS
/
SPU
100
4”
5”
6”
6”
SPS
/
SPU
125
4”
5”
6”
7”
SPS
/
SPU
150
4”
6”
7”
7”
SPS
/
SPU
175
4”
6”
7”
8”
SPS
/
SPU
200
4”
6”
7”
8”
COMMON VENT DIAMETER
COMMON VENT DIAMETERCOMMON VENT DIAMETER
COMMON VENT DIAMETER
(If a size is not available use the next larger size.)