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Installa on of PVC/CPVC Vent and Intake Air Piping:
DO NOT apply PVC glues, solvents, or cleaners to the water heaters intake or exhaust gasket connec ons.
The RUR series units do not require addi onal parts to be used with standard 3" 3rd party solid core PVC/CPVC
pipes; refer to gure below for required parts for 3" PVC/CPVC assembly con gura on.
3" SCH 40 PVC/CPVC Elbows
(female unthreaded socket ends)
Components by others
(displayed as example),
not included with unit
Included with
(To be removed and discarded
for twin pipe configura on)
Conversely, the RUR series units require 2 addi onal (4"x 3" Flush – Schedule 40 PVC) bushing to be used with
4" SCH 40 PVC/CPVC Elbows
(female unthreaded socket ends)
Components by others
(displayed as example),
not included with unit
Included with
(To be removed and discarded
for twin pipe configura on)
Failure to correctly assemble the components according to these instructi ns may result in property damage,
personal injury, or death.
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Required Parts For 3" PVC/CPVC Assembly Confi urati n
Combus on Air
Intake Cap
Required Parts For 4" PVC/CPVC Assembly Confi urati n
4" PVC/CPVC assembly con gura on (refer to figure below).
Combus on Air
Intake Cap
WARNING
Exhaust
3" standard - wall white
PVC/CPVC unthreaded pipe
Exhaust
(SCH 40 PVC/CPVC) or any other
3" standard - wall white
PVC/CPVC unthreaded pipe
WARNING
KBP Series Manual
(SCH 40 solid core)
Exhaust Adapter Ring
(To remain, required for
twin pipe configura on)
4"X 3" ush bushing
reducer type fi ng
(SCH 40 solid core)
Exhaust Adapter Ring
(To remain, required for
twin pipe configura on)
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