Kohler K-557-K User manual

Features
•Digitally controlled thermostatic mixing valve.
•Anti scald protection.
•Three independently controllable 1/2" outlets with copper tube
connections.
•Up to 13 gpm maximum flow rate (8.0 gpm maximum flow from
one outlet).
•1/2" inlets with copper tube connections.
•Includes filter sceens.
•High temperature limit setting for additional protection.
Material
•Reinforced engineering grade thermoplastic body.
Codes/Standards
Installation ASME A112.18.1/CSA B125.1
•Can be mounted within a standard 2x4 wall cavity. ASSE 1016
•Pre-wired with three prong plug for connection to 110v AC
receptacle. UL 1951
Required Accessories
K-558 Three Outlet Digital Interface
See website for detailed warranty information.
Loose component/s: Mounting hardware, and Jumper.
USA/Canada: 1-800-4KOHLER (1-800-456-4537)
www.kohler.com
4-18-2015 07:42
Digital Three Port Thermostatic Valve
K-557-K

1-1/2"
Notes
Required Electrical Service Install this product according to the installation
guide.
120 V, 15 A, 60 Hz
Technical Information If used for bath-shower system, the bath spout
must be connected to the #1 outlet port and
restricted to 10 gal/min (37.9 l/min) maximum.
All product dimensions are nominal.
Provide access for servicing valve.
Use 1/2" supply lines.
Do not install this valve in walls exposed to
subfreezing temperatures.
Avoid mounting the valve in a wall adjacent to a
frequently occupied room, such as a bedroom or
living room.
Pressure regulators are strongly recommended
in applications where large pressure swings are
anticipated or pressure differences between the
supplies exist, such as commercial installations
with separate hot and cold supply systems.
Water hammer arrestors and shut-offs are
required in both the hot and cold supplies.
A 1/2" cap must be installed on any unused outlet.
USA/Canada: 1-800-4KOHLER (1-800-456-4537)
www.kohler.com
4-18-2015 07:42
Digital Three Port Thermostatic Valve
K-557-K