Delta’s High Water Level Alarm (HLA) sounds an alarm when water levels rise to a high point within the pump chamber in cavity drained protection / below-ground waterproofing projects. They can be used with a Delta Type C, Cavity Drain Protection system or as standalone units.

Key features

  • Loud 85dB alarm

  • An internal battery ensures continuous protection in the event of mains power failure

  • Works with mini or sump float switches

  • LEDs for visual status and warning

  • Mute and reset buttons

  • Three volt-free contacts for connection to external systems

  • Suitable for groundwater, surface and foul water applications

  • Can be retrofitted

Products

Delta HLA – Groundwater

Detects high water levels within sump pump (submersible pump) chambers.

Delta HLA – Foul

Detects high water levels within packaged pumping stations and sumps. This independent high water level alarm has an 85 dB audible alarm and LED status display on the front fascia.

Delta HLA – 800 Series

Detects high water levels within sump pump (submersible pump) chambers. Can be used with Delta V3, V4 and V6 800 Series when a control panel is not used.