This simple to use Electric Flow Boiler boost control is designed to provide a manual boost facility for time periods and program settings not covered by the boiler’s Off-Peak supply tariff.

This simple to use Electric Flow Boiler boost control is designed to provide a manual boost facility for time periods and program settings not covered by the boiler’s Off-Peak supply tariff.In simple terms, when OFF-PEAK energy is not available the control allows on-peak electricity to energize the flow boiler through a manually activated run timer, thus allowing the user to boost their heating throughout the day if required.The Flow Boiler control is supplied with two components – the switching unit (PRE9865FBC) and the push button control (PRE9863TBC) – normally sited in a convenient remote location. The system will switch boilers up to 14.4 Kw rating.

  • Remote boost time function
  • Suitable for boilers up to 14.4kW
  • Dimensions: (PRE9865FBC) –  (L) 300 x (W) 300 x (D) 187 mm (sizes may change)
  • Dimensions: (PRE9863TBC) – Single Gang