Rinnai RU98i Installation Manual page 5

CVent Back-2-Back Kit
790008
8-Inch Header Kit For Back-2-Back
Combustion Air & Exhaust
NO QTY DESCRIPTION
1 1 CVENT COLLECTOR, 2 CONNECTION, D8 X L20
2 2 CVENT ELBOW D4 X 87° WITH CLEANOUT
3 2 CVENT EXTENSION, D4 X L18
CVENT APPLIANCE ADAPTER WITH CHECK
4 2 VALVE AND TRAP
CVENT COMB. AIR COLLECTOR, 2 CONNECTION,
5 1
6 2 CVENT COMB. AIR FLEX FITTING, D3
7 1 CENTROCERIN LUBRICANT
Qty. 1
1
Ø4"
Ø4"
Qty. 2
2
3
Qty. 2
7
5
5 Qty. 1
Ø3"
Ø3"
Qty. 2
4
6
Qty. 2
Rinnai CVent