Haes Systems is one of the UK's leading companies for the supply and manufacture of fire alarm products.

With almost 40 years in the industry, we offer our customers an integrated end-to-end solution tailored to your specific fire detection and alarm system requirements. We have a large in-house team of designers, engineers and production operatives working on the latest in fire detection technology. We stock thousands of items; can source a wide range of products and offer a next day delivery service.

Latest news

Howler Site Fire Alarms

20 August 2014

The Howler Site Alarm is a self contained, battery operated alarm unit with an extensive choice of switches. Available in either a tough ABS plastic or aluminium casing.

Using the Multilink option up to 50 units can be linked together. The units come with a 118dB(A) siren and can be fitted with an optional red flashing beacon, if required.

The Howler Site Alert unit has been designed for smaller sites and comes complete with a 100dB(A) siren and high intensity LED beacon. Up to 20 units can be linked together.


  • Battery operated
  • Simple to install
  • Portable
  • Multilink option



For more news, click here
My basket
0 item(s) £0.00
My favourite products
Search products
Search: Go
Browse product categories
Cables & Accessories
Call Points
Control Panels
Door Retainers
Other Resale
Power Supplies
PSU Assembly
Relays & Switches
Sounders & Beacons
Test Equipment
Visual Alarm Devices
Browse manufacturers
Show all manufacturers
To improve your user experience, the Haes Systems site makes use of cookies, which are small files stored locally on your computer that help track information in supporting various user features. EU legislation now requires that we verify your permission to use cookies on your computer. Click here to agree to Haes Systems storing cookies on your PC.