User Guide

35
Coupling Installations According To Vent Sizes
3” RUBBER
COUPLING
(SUPPLIED)
BLOWER
3” CPVC
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 37
4” CPVC
VENT PIPE
3” RUBBER
COUPLING
(SUPPLIED.)
3” CPVC VENT
PIPE, 3 in. MAX
LENGTH
3”-4” CPVC
ADAPTER (FIELD
SUPPLIED)
BLOWER
CONFIGURATION FOR HI-INPUT HEATERS CONNECTED TO 4”
VENTING.
4” INLET PIPE
AIR DUCT
ADAPTER
3” PIPE
(FIELD
SUPPLIED)
Figure 38
SOUND SUPPRESSOR
Included with this water heater is a Tee fi tting confi gured as
a sound suppressor which should be used as the exhaust
termination (see Figure 39 and Figure 40). The Vent
Termination Screen (see “Vent Pipe Termination” section)
must be installed in the straight through end of the Sound
Suppressor (see Figure 39 and Figure 40).
EXHAUST VENT
TERMINAL
INTAKE VENT
TERMINAL
SIDE WALL
RODENT SCREEN
(INSTALL INTO
TERMINATION)
Figure 39
EXHAUST
VENT
TERMINAL
INTAKE
VENT
TERMINAL
SOUND
SUPPRESSOR
WITH SCREEN
Figure 40