Peter Groeneveld
Published © GPL3+

Central Heating Boiler Control Box

A better and cheaper alternative to a climate-dependent control for your central heating boiler. Especially if you have in-floor heating.

IntermediateFull instructions provided23,128
Central Heating Boiler Control Box

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
Relay Module (Generic)
8 relay module
×1
LCD Display 20 x 4
×1

Story

Read more

Schematics

boiler_control_box_schematics_electronics_rscAIjx8BH.pdf

boiler_control_box_schematics_relay_contacts_m5JZAq0BXG.pdf

boiler_control_box_mechanics_inside_QcrBWpYcc8.pdf

boiler_control_box_mechanics_front_ehqR7RmMAk.pdf

boiler_control_box_mechanics_top_J1lIWja4n1.pdf

boiler_control_box_wiring_front_iiu9xbO6n4.pdf

boiler_control_box_wiring_inside_zhNQI26xXQ.pdf

boiler_control_box_wiring_top_DmGrwaJ4uB.pdf

boiler_control_box_wiring_top_mirrored_5f059waV5z.pdf

central_heating_installation_TWjt9wNEGN.pdf

Code

Boiler Control Box sketch v 1.3

Credits

Peter Groeneveld

Peter Groeneveld

1 project • 19 followers
Electronics engineer, former owner of QI ict, a networking & security company in Delft, The Netherlands. Now retired and enjoying life.

Comments