Direct Vent Tankless Water
Heater Installaon and
Operaon Manual
— Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instrucons.
If you cannot reach your gas supplier, call the re department.
— Installaon and service must be performed by a licensed professional.
This enre manual must be le for the consumer. The consumer must read and
refer to this manual for proper operaon and to maintain the water heater.
If the informaon in these instrucons is not followed exactly, a re or explosion
may result causing property damage, personal injury, or death.
WARNING
READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING THIS WATER HEATER.
This manual provides informaon on the installaon, operaon, and maintenance of the water heater. For proper
operaon and safety, it is important to follow the instrucons and adhere to the safety precauons.
A licensed professional must install the water heater according to the exact instrucons on pages 4-30.
The consumer must read the enre manual to properly operate the water heater and to have regular maintenance
performed.
ANS Z21.10.3 ● CSA 4.3
FOR INDOOR APPLICATIONS ONLY
RL75i ..................... REU-VC2528FFUD-US
REU-VC2528FFUD-US(A)
RLX94i ................... REU-VC2737FFUD-US
RL94i ..................... REU-VC2837FFUD-US
FOR OUTDOOR APPLICATIONS ONLY
RL75e .................... REU-VC2528WD-US
REU-VC2528FFUD-US(A)
RL94e .................... REU-VC2837WD-US
SANITATION
Low Lead Content
NSF/ANSI 372
C US
U307-0710X03
060 00012 31315 4
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