Direct Vent Tankless Water Heater
Installaon and Operaon Manual
WARNING
This manual provides informaon on the installaon, operaon, and maintenance of the water heater. For proper
operaon and , 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 4-32.
The consumer must read the enre manual to properly operate the water heater and to have regular maintenance
performed.
FOR INDOOR APPLICATIONS ONLY
RU80i .................... --
RU98i .................... --
FOR OUTDOOR APPLICATIONS ONLY
RU80e ................... --
RU98e ................... --
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