Delta HLA – High Level Water Alarm

Delta HLA – High Level Water Alarm

The Delta HLA is designed to detect high water levels within sump pump (submersible pump) chambers. The Delta HLA is an independent pump station high water level alarm, powered by 240V with a 6V battery backup in case of mains power failure. The alarm offers simple installation, requiring 4 fixings and connection of mains power, pump/s and a float switch. Status for ‘All OK’, high water alarm, and mains failure are clearly displayed on the front fascia via a green and red LED.

Request more Information
Enquire about this product
  • Hidden
  • Applications
  • Product Details
  • Specification
  • Downloads
  • Technical Drawings
Delta HLA
  • Quick and simple installation
  • Robust and reliable
  • 100db sounder for audible warning
  • LED’s for visual status and warning
  • Test and reset buttons
  • Battery backup in case of mains failure
  • The ground water alarm is supplied with a broken finger float switch and shroud, this should be set to indicate duty pump failure before the standby pump activates, giving an early warning sign of failure
  • The foul water alarm is supplied with a robust and reliable pendant type float switch
Product Details
Delta HLA
Product Code:
DMS 190 (Ground Water)
DMS 191 (Fowl Water)
Delta HLA
  • NBS Specification R18 (Clause 310) Pumping Stations and Pressure Pipelines
  • BS 8102:2022 Type C Drained Protection
Technical Drawings

Chat with a member of our team

Get in touch