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11
TEMPERATURE CONTROL
CONTROLLERS
The Rheem 874 and 876 series can be installed with Rheem controllers to enable the user to control the
temperature of the delivered water from the outlet of the water heater. There are two families of Rheem
controllers suitable for installation with this water heater. These are the standard controllers and the Deluxe
controllers.
Standard Controllers
There are three types of standard controller. They are the Kitchen controller (Rheem AU - Part 299850, NZ -
Part A299850), Bathroom 1 controller (Rheem AU - Part 299851, NZ - Part A299851) and the Bathroom 2
controller (Rheem AU - Part 299852, NZ - Part A299852). These part numbers include the controller cable
supplied with the controller.
The standard controllers are identified by a ‘K’ (Kitchen controller), ‘B1’ (Bathroom 1 controller) or ‘B2’
(Bathroom 2 controller) located on the front bottom left hand corner of the standard controller.
Deluxe Controllers
There are three types of Deluxe controller. They are the Kitchen Deluxe controller (Rheem AU - Part 299858,
NZ - Part A299861), Bathroom 1 Deluxe controller (Rheem AU - Part 299859, NZ - Part A299862) and the
Bathroom 2 Deluxe controller (Rheem AU - Part 299860, NZ - Part A299863). These part numbers include the
controller cable supplied with the controller.
The Deluxe controllers are identified by a ‘K’ (Kitchen Deluxe controller), ‘B1’ (Bathroom 1 Deluxe controller)
or ‘B2’ (Bathroom 2 Deluxe controller), located under the front panel, to the bottom left hand corner adjacent
to the BATH FILL VOLUME label.
The Deluxe controllers offer additional functions to the standard controllers. These are:
An assistance call function, which provides a voice prompt when pressed and will sound on all controllers.
This is useful should a family member require assistance when in the bathroom.
A Bath Fill function, which is designed to allow the water heater to deliver a selected volume of water at a
selected temperature.
Bath filling takes place when the hot tap is opened. When the set volume has been delivered, the water
flow from the water heater ceases. Refer to “Bath-Fill Function” on page 32.
Note: The bath level should be monitored periodically while this function is in use to avoid the possibility
of the bath overflowing. The Bath Fill function should also be used with caution until you are familiar with
its operation.
Warning: Baths should not be left unattended whenever young children are present.
Warning: Temperature controllers must not be fitted to this water heater (874 series) if it is installed as an
in-series gas booster with a solar water heater system because water at a temperature much higher than the
controller setting can be delivered. If a solar water heater is installed to an existing water heater installation,
then all controllers must be disconnected and removed.
Notes:
Where more than one controller is installed, the second or third controller must be of the same family.
A standard controller can only be installed with another standard controller(s) and a Deluxe controller can
only be installed with another Deluxe controller(s). A standard controller(s) and a Deluxe controller(s)
cannot be connected to the same water heater.
One, two or three controllers can be installed. Only one of each type of controller can be connected to the
water heater. Therefore, a maximum of three controllers only can be connected to each water heater.
A Bathroom 2 controller can only be installed if a Bathroom 1 controller is installed and a Bathroom 2
Deluxe controller can only be installed if a Bathroom 1 Deluxe controller is installed.
Other manufacturers’ controllers are not suitable to and cannot be installed with this water heater.
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