DETECT-A-FIRE®

DETECT-A-FIRE units are the "heart" of many Fire Protection
Systems. These highly reliable devices have been a standard
of the industry for over 45 years.

Thermoswitch®

THERMOSWITCH® controllers from Fenwal require no external power and provide simple, rugged and dependable temperature control. Operating on the principal of differential expansion of metals, these controllers are available as indicating and non-indicating probe type or surface mounting types.