Flo-Rite-Temp® Model FRT53540

FRT53540 is a complete pre-piped single wall instantaneous steam/water shell and tube heater. The assembly includes a 535 instantaneous Flo-Rite-Temp water heater with a Digital Recirculating Valve (DRV40).

Digital technology provides enhanced water temperature control accuracy and enhanced user safety in a single control component.

Operational Specifications

  • +/-2°F water temperature control at points of use 25’downstream during demand
  • +/-2°F water temperature control 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 1st level hi/lo temp alarm display
  • Programmable temperature error level for double safety shutdown.