Horstmann BX2000 Data Sheet

This simple boost control is intended for use with electric 
water heating systems where the immersion heater(s) are 
controlled by the Electricity Company's Radio Teleswitch, 
Radio Telemeter or Tariff time switch.

The BX2000 allows the user to 'top up' the hot water if extra 
supplies are needed during the day time with the main 
water heating taking place overnight  using off peak 
electricity.

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Makes the most effective use of the latest cheap-rate 
tariff structures, electronically

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1 hour or 2 hour boost

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Always gives priority to off-peak supply