About Your Water Heater - Rheem Optima Owner's Manual And Installation Instructions

ABOUT YOUR WATER HEATER

MODEL TYPE
®
The Rheem water heater you have chosen is an Optima™ model.
The Optima model has a temperature adjusting knob on the lower front of
the water heater. Optima models are available with either a single heating unit
or with twin heating units. (refer to
"Twin Element Model"
The water heater can be installed indoor or outdoor. Optima models have an
extended warranty
Water is stored in a vitreous enamel lined steel cylinder and heated by the
electric immersion heating unit. The thermostat controls the temperature.
Automatic safety controls are fitted to the water heater to provide safe and
efficient operation.
MAINS PRESSURE
The water heater is designed to operate at mains pressure by connecting
directly to the mains water supply. If the mains supply pressure in your area
exceeds that shown on page 19, a pressure limiting valve must be fitted. The
supply pressure should be greater than 350 kPa for true mains pressure
operation to be achieved.
HOW HOT SHOULD THE WATER BE?
The water heater
adjustable thermostat, which allows
you to choose the most suitable
temperature for your hot water needs.
Refer to "Temperature Adjustment"
page 5.
To meet the requirements of the
G12 Building Code
the stored water must not be below 60°C.
on page 7).
(refer to the warranty on page
features
the temperature of
"Single Element Model"
36).
an
on
4
on page 7 and
maximum thermostat setting
Optima models
minimum thermostat setting
and minimum recommended
stored water temperature.
top heating unit thermostat
setting on a twin element
model (not adjustable)