Central heating instructions

Download instructions and guides to help you use your central heating system

Before you report a fault you should check that you’ve set your heating and hot water controls correctly.

Simple guides to your heating

• How to use your electric heating system (pdf, 897KB) (opens new window)
• How to use your heating and hot water meters (pdf, 181KB) (opens new window)
• How to use your heat pump (pdf, 1MB) (opens new window)

Download the instructions for your model of boiler or thermostat below:

Timeswitch, thermostat and economy seven controls

• Horstmann 425 Coronet Timeswitch instruction manual (pdf, 238KB) (opens new window)
• Horstmann HRT4 Thermostat instruction manual (pdf, 270KB) (opens new window)
• Horstmann C stat B Thermostat instruction manual (pdf, 546KB) (opens new window)
• Horstmann ThermoPlus AS2 Thermostat instruction manual (pdf, 385KB) (opens new window)
• Horstmann Economy Seven Water Heater Control instruction manual (pdf, 177KB) (opens new window)

Combi boiler instructions

• Ideal LOGIC Combi instruction manual (pdf, 289KB) (opens new window)
• Vaillant ecoTEC pro instruction manual (pdf, 3.4MB) (opens new window)
• Worcester Bosch Greenstar Si instruction manual (pdf, 631KB) (opens new window)