Central Heating Programmer Manuals / Datasheets / Instructions

Honeywell ST7100 Electronic Central Heating Programmer User Guide

The ST7100 Electronic Central Heating Programmer user manual provides instructions for operating and programming the Honeywell ST7100. Access the PDF for guidance on using this electronic central heating programmer efficiently.

SECURE CentaurPlus C21 Series 2 Central Heating Programmer Instruction Manual

SECURE CentaurPlus C21 Series 2 Central Heating Programmer - Featured Image

Learn how to properly install and connect CentaurPlus C21 and C27 Series 2 Central Heating Programmers with this installation guide. These heating programmers offer up to three on/off periods for hot water and heating, with a hot water boost and heating advance facility. Ensure safe installation by following the instructions provided.