INSTALLATION OF STI-9110 LOCKABLE THERMOSTAT COVER
All specifications and information shown were current as of publication and are subject to change without notice.
9110IS JULY2017
2306 Airport Road • Waterford, Michigan 48327-1209
Phone: 248-673-9898 • Fax: 248-673-1246
Web: www.sti-usa.com
Taylor House • 34 Sherwood Road • Bromsgrove
Worcestershire • B60 3DR • England
Tel: +44 (0)1527 520 999 • Fax: +44 (0)1527 501 999
VIEW A
INSTALLATION INSTRUCTIONS
1. Do not remove thermostat. Prior to drilling anchor holes, cover thermostat with a damp cloth to prevent dust from
penetrating the sensor.
2. Center frame over existing thermostat. Mark and drill (4) anchor holes using a 1/4 in. (6.3mm) drill bit. Insert the
(4) anchors and complete installation as shown.
NOTE: The (3) tabs on the frame must face upward (View A).
3. Insert the (3) slots on the cover over tabs on the top surface of frame. Rotate cover downward onto the frame and
turn key to lock.
CLEANING INSTRUCTIONS
To clean cover, remove from wall. Rinse with water to remove abrasive dust and dirt. Wash with soap or mild detergent
using a soft cloth (DO NOT SCRUB). Rinse once more, then dry with a soft cloth or chamois. To remove grease or wet
paint, rub gently with a cloth wetted thoroughly with naphtha. Then wash and rinse. DO NOT USE RAZOR BLADES.
2" SPACER MUST BE USED ON ALL
SURFACE MOUNTED INSTALLATIONS
(PART #STI 3100)
FRAME
SURFACE MOUNT
THERMOSTAT
COVER AND
LOCK ASSEMBLY
STI-9110 (CLEAR)
FRAME
DRILL (4) HOLES .25"
EXISTING FLUSH
MOUNT THERMOSTAT
(6.3 mm) DIAMETER
FOR ADEQUATE CLEARANCE A
SURFACE MOUNT
(STI 9130)
FLUSH MOUNT
(STI-9110)
COVER AND
LOCK ASSEMBLY
8.45 in.
(215mm)
5.3 in.
(135mm)
3.75 in.
(95mm)
PRODUCT DIMENSIONS
THE THREE (3) COVER TABS
MUST FACE UPWARD AS SHOWN
VIEW A
COVER
FRAME
FRAME TABS
5.3 in.
(135mm)
8.45 in.
(215mm)
9.5 in.
(241mm)
7.6 in.
(193mm)
3.75 in.
(95mm)
3.9 in.
(99mm)
STI-9110
PRODUCT DIMENSIONS
FOR SURFACE MOUNT
STI-9110 AND SUB-900
FOR ADEQUATE CLEARANCE
A 2 in. (50mm) DEEP SPACER
MUST BE USED
(ORDER KIT-900)
A
£
SEE VIEW A
#10 x 1/2 PHILLIPS PAN
HEAD SCREW (4) PROVIDED
ANCHOR
(4) PROVIDED
9.5 in.
(241mm)
8.45 in.
(215mm)
3.9 in.
(99mm)
3.75 in.
(95mm)
5.3 in.
(135mm)
7.6 in.
(193mm)
WARNING: This product can expose you to chemicals including Dichloromethane, which
is known to the State of California to cause cancer, and Bisphenol A (BPA), which is
known to the State of California to cause birth defects or other reproductive harm. For
more information go to www.P65Warnings.ca.gov.
Three year warranty or a one year limited warranty (from date of purchase) on most
products. See website for details. Electronic warranty form at www.sti-usa.com/wc14.