Maintenance And Cleaning; Battery Replacement - Rinnai RUS-51FT Instructions Manual

MAINTENANCE AND CLEANING

Do not use harsh abrasives or solvents to clean the water
heater.
Use a soft, damp cloth and neutral detergent.
Do not disassemble the safety devices or gas circuit at any
time.
Checks around the unit
- Is there a smell of gas?
- Is there a water leak in the unit or connecting parts?

BATTERY REPLACEMENT

If the spark speed slows down, replace the batteries as
shown.
(Batteries should last over a year, but this depends on the
type of battery and how many times the water heater is used.)
Please use two new batteries when replacing.
Using the wrong batteries may damage the terminals or
cause batteries to leak.
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