Rheem 874 Owner's Manual And Installation Instructions page 24

TEMPERATURE CONTROL – DELUXE
TEMPERATURE SETTINGS – DELUXE CONTROLLERS
The temperature settings of each type of Deluxe controller are:
Bathroom1 & 2 Deluxe
Kitchen Deluxe
Temperature settings
37 38 39
warm
The installation of a Bathroom Deluxe controller(s) only (i.e. no Kitchen Deluxe controller) limits the
temperature setting of the water heater to a maximum of:
874 series
872 series
regardless of the preset outlet temperature setting of the water heater.
The installation of a Kitchen Deluxe controller will allow a maximum temperature setting of:
874 series
872 series
regardless of the preset outlet temperature setting of the water heater.
If deluxe or standard controllers are not installed, the water heater defaults to the factory preset outlet
temperature setting in the first instance. This may be changed by the installer up to:
874 series
872 series
"How Hot Should The Water Be?"
Refer to
To enable the delivery of water temperatures above 55°C to the kitchen, laundry or other non-ablution area,
no controllers can be connected to either the 874 or 872 series. A separate untempered pipe work must be
installed from the water heater to the hot water outlets in these locations and the water heater temperature
setting can be increased up to:
874 series
872 series
37 C to 48°C* (in 1 C increments), 50 C
37 C to 48°C* (in 1 C increments), 50 C*, 55 C
(Limited to 48ºC when set in bathfill mode.)
.
40 41 42 43
average hot shower
50ºC
50ºC
55ºC
55ºC
75°C
82˚C
on page 5.
75ºC
82ºC
44 45 46 47
hot
24
48 50 55
very hot