The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.
System Sensor’s SSM Series alarm bells are low-current, high-decibel notification appliances for use in fire and burglary systems or other signaling applications.
Lightweight yet stylish, unobtrusive yet powerful, the L-PJP20A is great for a number of PA & VA applications. It is easy to install, fire-proof and cost-effective.