Boilers and Flues

Boilers and Flues

1. Conventional boiler

   • Also known as System Boilers - Contain hot water cylinder

2. Solid Fuel room heater with back boiler

   • open fire with back boiler, closed room heater with back boiler
     • free standing manually fed boiler
       • free standing automatically fed boiler

3. Gas Back Boiler

   • Open Flue
     • Existing chimney modified to accept flue from back boiler

4. Gas combination boiler

   • provide space heating and hot water heating
     • Only pay for the hot water used

5. Condensing boiler

   • Capture the heat from the flue gases that exit the property

6. Balanced flue -

   • appliance is sealed off from room
     • Harmful gases are emitted via one channel whilst air is drawn in to burn with gas via the second channel
   • natural draught
   • fan assisted
     • Fan flue used to improve effciency of boiler
       • Boilers do nt need to be fitted on external walls