Horstmann 425 Programmers
Horstmann Centaur Plus Programmers
Horstmann Channel Plus Programmers
Horstmann Service Plus Programmers
Horstmann Centaur Stat Programmers
Horstmann Thermo Plus Programmers
Horstmann HRT3 Room Thermostat
Horstmann HRT3 Room Thermostat
Horstmann HCT2 Cylinder Thermostat
Horstmann Motorised Zone Valves
Electronic 7 Immersion Heater Control
Economy 7 Quartz Immersion Control
BX2000 Water Heating Boost Control
E7BX Water Heating Boost Control
Electrisaver Heating Boost Control

Horstmann E7BX - Water Heating Boost Control

Programmers and timers for off-peak electricity, 24 Hour mechanical programmers and timers, 7-Day Digital programmers and timers


These simple controls are intended for use where cheap overnight heating of water is controlled by the Electricity Company's Radio Teleswitch, Radio Telemeter or tariff time switch.
  • Simple to install and use
  • Boost period adjustable between 0 and 120 minutes
  • Neon indicator shows when boost timer is running
  • Can be used with one or two immersion heaters
  • Compatible with earth-leakage circuit breaker installations


Model   inc VAT

E7BX   52.10







Mains Pressure

Gas Fires

Electric Fires

Hot Water Cylinders

Thermal Stores

Order Form

Contact Us


www.gasapplianceguide.co.uk is operated by mdepot


Website management by Little House Associates

Visit Shower Right - Specialist wet room, shower pod and bathroom equipment for the able and disabled


Visit Mobility Depot - showers, baths and mobility equipment for the disabled