• Up to four alarm signals (444TA) – That can be used for high or low liquid level sensing, interstitial monitoring, and/or other signals in one to four separate tanks.
  • Self-powered – Lithium battery with a 10-year shelf life for long service life.
  • Audible Alarm – Sounds a 90-decibel alarm at 4 feet away.
  • Visual Notifications – Red alarm light will flash during use for notification to the user. Low battery light indicates when battery needs replaced.
  • Corrosion-Resistant Construction – Petroleum and environmental resistant housing and all stainless steel pipe fitting ensure a long product life.
  • Product / Alarm Identification Label – Located on top of the alarm for quick and easy identification, allowing you to correspond alarms to signals. Label has a protective covering.
  • Intrinsically Safe – Complies with ANSI/UL 913 for Class 1, Division 1 & 2 for Groups C & D hazardous locations.
  • Cold Weather Resistant – All components are safe for temperatures down to -40° F operation and up to 120° F.
  • Long Life Lithium Battery – Self-powered by a Lithium battery which includes a 10-year shelf life to ensure peace of mind for the owner.
  • Easy Installation – Requires no calibration and installs easily into a 1″ tank bung. May be assembled remotely or directly on top of tank.


  • Enclosure: polybutylene terephthalate
  • Wire Grommet: nylon w/ buna seal
  • Float Switch: closed cell buna float & stainless steel rod
  • Pipe: stainless steel
  • Tank Adaptor: aluminum hardcoat anodized

Listings and Certifications



Conforms to ANSI / UL STD 913
Certified to CAN / CSA STD C22.2 No. 157-92
Florida EQ-610
CARB Certified