Fenwal Heat Detectors

Fenwal Detect-A-Fire heat detectors combine the best features of both fixed temperature and rate-of-rise thermal detection, these units accurately sense the surrounding air temperature regardless of the fire growth rate. Designed with a rugged outer shell, these units can withstand various shock and vibration conditions.

Horizontal - Six Fixed Settings from 140 to 325°F

Vertical Mount - 12 Fixed Settings from 140 to 725°F

Single Pole Single Throw (SPST)

Open or Close on Temperature Rise, Single & Double Thread

FENWAL® Series 17343 Fire & Overheat Detector monitors for fire and overheat conditions. This unit can be used in environments of very high temperatures and is recommended as alarm device to sense overheat or fire to alert supervisory staff to initiate appropriate measures to counteract the condition. The design provides rate compensation, a unique advantage of activation at a predetermined danger point, whether it be a slow or a fast increase in heat or fire.

  • Vertical Mount - 5 Fixed Settings from 140°F to 725°F
  • Single Pole Single Throw (SPST)
  • Close on Temperature Rise