Controls Installation Sheet
mr
.
steam
®
  INSTALLER INFORMATION
__________________________________________________________________
6
6b
6a
7
Installation with Optional Rough-In Box (cont.)
IMPORTANT NOTE: Be careful not to strain, staple, pinch or 
otherwise damage the cables. Route cables as required to permit 
replacement. Do not route cables inside conduit together with power 
lines or close to hot water or steam piping.
STEP 6
Use the rough-in box as a guide to cut out the 
(3
9
⁄16” x 5
1
⁄4”) opening in the wall.
Finish the iSteam
®
3 installation using the instructions on page 7.
Installation without Rough-In Box
STEP 1
Make a 3
9
⁄16” x 5
1
⁄4” cut-out in the desired location using the 
template provided on page 2 of this manual.
STEP 2
Route the control cable from the wall cutout to the steam 
generator. Connect one end of the cable to the steam generator 
connector. The two ends of the control cable are the same.
IMPORTANT NOTE: Be careful not to strain, staple, pinch or 
otherwise damage the control cable. Route cable as required to 
permit replacement. Do not route cable inside conduit together 
with power lines or close to hot water or steam piping.
Finish the iSteam3 installation using the instructions on page 7.
Rough-In box used as 
a guide to cut out the  
opening.
3
9
⁄16”
5
1
⁄4”










