Rinnai CU Series User Manual

6 Polypropylene (PP) Common Venng Installaon Instrucons
Common Vent Maximum Equivalent Vent Length / Rinnai Common Vent System
Water Heater
Model
# Water
Heaters
Max System
BTU/HR
HEADER DIAMETER
3 in. 4 in. 6 in.
3 in.
Vent Diameter
4 in.
Vent Diameter
6 in.
Vent Diameter
6 in.
Vent Diameter
RU199i
(REU-N3237FF-US)
CU199i
(REU-N3237FFC-US)
RUR199i
(REU-NP3237FF-US)
RSC199i
(REU-NP3237FF-US(A))
RX199i
(REU-NB3237FF-US)
CX199i
(REU-NB3237FFC-US)
RXP199i
(REU-NBP3237FF-US)
CXP199i
(REU-NBP3237FFC-US)
2 398,000 65 
150 
150 
150 
3 597,000
4 796,000 65 
5 995,000
6 1,194,000
7 1,393,000 70 
8 1,592,000
9 1,791,000
90 
10 1,990,000
11 2,189,000
41 
12 2,388,000
RU160i
(REU-N2530FF-US)
CU160i
(REU-N2530FFC-US)
RUR160i
(REU-NP2530FF-US)
RSC160i
(REU-NP2530FF-US(A))
RX160i
(REU-NB2530FF-US)
RXP160i
(REU-NBP2530FF-US)
CX160i
(REU-NB2530FFC-US)
CXP160i
(REU-NBP2530FFC-US)
2 320,000 90  150 
150 
150 
3 480,000 100 
4 640,000 65 
5 800,000
6 960,000
RU180i
(REU-N2934FF-US)
RX180i
(REU-NB2934FF-US)
2 360,000 65 
150 
150 
150 
3 540,000
4 720,000 65 
5 900,000
6 1,080,000
7 1,260,000 70 
8 1,440,000
9 1,620,000
90 
10 1,800,000
11 1,980,000
41 
12 2,160,000
RU130i
(REU-N2024FF-US)
RX130i
(REU-NB2024FF-US)
2 260,000 90  150 
150 
150 
3 390,000 100 
4 520,000 65 
5 650,000
6 780,000

Rinnai CU Series Specifications

General

Brand	Rinnai
Model	CU Series
Category	Boiler
Language	English