Heat Sensor (HDX-135 or HDX-200 or HDX-135Z)
Read before changing batteries!
Before changing batteries, please call the monitoring station and ask them to put your system on test. For this, you will need your account information.
Please note that putting your batteries in backwards may damage the device. Remember to note the battery terminals.

You will need a CR123A Battery

1.
Twist the cover counter clockwise and remove it.

2.
Locate the battery.

3.
Gently remove the battery from its connections.

4.
Note the battery terminals (+, -). Putting in a battery reversed can damage the device.

5.
Place a new battery in the device (CR123A).

6.
Place the cover back on the base.

7.
Twist clockwise until you hear a click.
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- PO Box 574 Magrath, AB, T0K 1J0
- CSS@CanadianSecuritySystems.ca
- Phone: (403) 330-1724
- Toll Free: 1-866-809-5479
- Fax: (403) 758-3956
OPENING HOURS
- Monday - Friday:
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8:00AM - 5:00PM
- AFTER HOURS EMERGENCY PHONE
- (403) 849-2488
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Contact us
- PO Box 574 Magrath, AB, T0K 1J0
- CSS@CanadianSecuritySystems.ca
- Phone: (403) 330-1724
- Toll Free: 1-866-809-5479
- Fax: (403) 758-3956
OPENING HOURS
- Monday - Friday:
-
8:00AM - 5:00PM
- AFTER HOURS EMERGENCY PHONE
- (403) 849-2488
Find us on Social media
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