Rinnai RUR98i - Approved PVC;CPVC Vent Configurations; VENTING INSTALLATION SEQUENCE

KBP Series Manual 29

Rinnai 3" or
4" PVC/CPVC
Concentric
Side Wall
Terminaon
Conguraon
Rinnai 3" or 4"
PVC/CPVC
Concentric
Vercal
Terminaon
Conguraon
Rinnai 3" or
4" PVC/CPVC
Snorkel
Terminaon
Conguraon
Rinnai 3" or 4"
PVC/CPVC
Standard
upside down
"U" Vercal
Terminaon
Conguraon
Rinnai 3" or
4" PVC/CPVC
Tee Side Wall
Terminaon
Conguraon
Rinnai 3" or 4"
PVC/CPVC Tee
Vercal
Terminaon
Conguraon
Rinnai 3" or
4" PVC/CPVC
Low Prole
Terminaon
Conguraon

1. Install the water heater.
2. Determine the terminaon method—sidewall or
vercal, concentric, or separate pipes, etc.
3. Determine proper locaon for wall or roof
penetraon for each terminaon.
4. Install terminaon assembly as described in this
manual.
5. Install air and vent piping from water heater to
terminaon.
6. Slope horizontal exhaust run towards the water heater 1/4”
per foot. slope combuson air pipe
towards unit. Be sure to dispose of condensate per
local codes.
7. Install pipe supports and brackets every 4 feet allowing for
movement from expansion or as per vent manufacturer’s or
local coderequirements.