Operation and Installation Manual

Direct Vent Tankless Water Heater
Installaon and Operaon Manual
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
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
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

WARNING

This manual provides informaon on the installaon, operaon, and maintenance of the water heater. For proper
operaon and , it is important to follow the instrucons and adhere to the safety precauons.
A licensed professional must install the water heater according to the exact instrucons in this manual.
The consumer must read the enre manual to properly operate the water heater and to have regular maintenance
performed.

FOR INDOOR APPLICATIONS ONLY
RUC80i .................. --
RUC90i .................. --
RUC98i .................. --
FOR OUTDOOR APPLICATIONS ONLY
RU80e ................... --
RU90e ................... --
RU98e ................... --

Summary of content (140 pages)