The Brain® Model DRV50BS

DRV for systems which experience diverse draw-off between 0 - 73 GPM* - DRV50BS is a model DRV80BS provided with bushed down 2” NPT connections and SAGE® hot water system monitoring and reporting tool.
The Brain® Model DRV50BS

Operational Specifications

  • +/-2°F water temperature control at points of use 25’ downstream during demand
  • +/-2°F water temperature control at the DRV during zero system demand “idling” periods
  • 2°F minimum valve inlet to outlet temperature requirement (system recirculation temperature loss)
  • Automatic shutoff of hot water flow upon cold water inlet supply failure
  • Automatic shutoff of hot water flow in the event of a power failure
  • Programmable set point range of 81-158°F (27-70°C)
  • Programmable thermal disinfection mode
  • Programmable 1st level hi/lo temp alarm display
  • Programmable temperature error level for safety shutdown
  • SAGE®