32 www. gsw-wh .com 328765-000
Coupling Installations According To Vent Sizes
BLOWER
2” VENT
PIPE
2” RUBBER
COUPLING
(SUPPLIED)
CONFIGURATION FOR 40 AND 50 GALLON (LO-INPUT) HEATERS
CONNECTED TO 2" VENTING.
2” INLET
PIPE
2”-3”
ADAPTER
(SUPPLIED)
AIR DUCT
ADAPTER
3” PIPE
(SUPPLIED)
Figure 30
2” RUBBER
COUPLING
(SUPPLIED)
BLOWER
3” VENT
PIPE
2”-3”
ADAPTER*
(FIELD
SUPPLIED)
2” VENT PIPE,
75mm (3”)
MAX LENGTH
CONFIGURATION FOR 40 AND 50-GALLON (LO-INPUT) HEATERS
CONNECTED TO 3” VENTING.
* FOR 3” DIRECT CONNECTION TO THE BLOWER, ORDER COUPLING
Kit # 9008311005 (SEE ALSO Figure 33).
AIR DUCT
ADAPTER
3” INLET PIPE
Figure 31
4” VENT
PIPE
3” RUBBER
COUPLING
(ORDER COUPLING
Kit # 9008311005
TO REPLACE 2”
RUBBER COUPLING
SUPPLIED.)
3” VENT PIPE, 75mm
(3”) MAX LENGTH
3”-4”
ADAPTER (FIELD
SUPPLIED)
BLOWER
CONFIGURATION FOR LO-INPUT HEATERS CONNECTED TO 4”
VENTING.
LOW-INPUT HEATERS ARE SUPPLIED WITH A 2” RUBBER COUPLING.
4” INLET PIPE
AIR DUCT
ADAPTER
3” PIPE
(SUPPLIED)
Figure 32
3” RUBBER
COUPLING
(SUPPLIED)
BLOWER
3” VENT
PIPE
AIR DUCT
ADAPTER
3” INLET PIPE
CONFIGURATION FOR HI-INPUT HEATERS CONNECTED TO 3”
VENTING.
(OPTIONAL CONFIGURATION FOR LO-INPUT HEATERS CONNECTED TO
3” VENTING.)
Figure 33
4” VENT
PIPE
3” RUBBER
COUPLING
(SUPPLIED.)
3” VENT PIPE, 75mm
(3”) MAX LENGTH
3”-4”
ADAPTER (FIELD
SUPPLIED)
BLOWER
CONFIGURATION FOR HI-INPUT HEATERS CONNECTED TO 4”
VENTING.
4” INLET PIPE
AIR DUCT
ADAPTER
3” PIPE
(FIELD
SUPPLIED)
Figure 34