Rinnai REU-KB3237FFUD-US Installation Manual

3 Rinnai CVent
Indicates an imminently hazardous situaon which, if not avoided, will result in death or
serious injury.
Indicates a potenally hazardous situaon which, if not avoided, could result in death or
serious injury.
Indicates a potenally hazardous situaon which, if not avoided, could result in minor or
moderate injury. It may also be used to alert against unsafe pracces.
This is the safety alert symbol. This symbol alerts you to potenal hazards that can kill or hurt you and
others.
DANGER
CAUTION
WARNING
Safety Symbols
Claims for personal and material damages are excluded, if they are due to any or several of the following
reasons:
• Use of the Cvent system not in accordance with the regulaons.
• Improper assembly and incorrect operaon.
• Faulty maintenance.
• Non-compliance with the assembly and operang instrucons.
• Non-approved structural changes to the unit or to the individual components.
• Installaon of components which are not part of the Cvent system .
• Subsequent damage, which occurred through further use of the Cvent system despite known defects.
• Intenonal damage.
• Force Majeure.
Warranty and Liability Exclusions
Specicaons
Number of
water
heaters*
Percent
De-rated
Total Btu Rate
Btu at
Minimum Rate
(without MSB)
Btu at
Minimum Rate
(with MSB)
1 0% 199,000 15,200
15,200
2 1% 394,000 30,400
3 1.5% 588,000 45,600
4 2% 780,000 60,800
5 2.5% 970,000 76,000
6 3% 1,158,000 91,200
7 3.5% 1,344,000 106,400
8 4% 1,528,000 121,600
RU98i (REU-KB3237FFUD-US), RUC98i (REU-KBD3237FFUD-US), and C199i (REU-KBD3237FFUDC-US)
Altude: 0-2,000 feet
Natural and propane gas
The RU98i and RUC98i units are cered for direct vent only. The C199i is cered for both direct vent and exhaust
only with room air when installed in a commercial common vent applicaon only. Water heaters using CVent will
automacally de-rate according to the table below. Use the table below for calculang your total Btu for mulple
water heaters using CVent.

Rinnai REU-KB3237FFUD-US Specifications

General

Brand	Rinnai
Model	REU-KB3237FFUD-US
Category	Water Heater
Language	English