Where can I download a manual for my Heatmiser Thermostat? November 21, 2019 05:41 Follow Please check out our manual finder where you will find manuals for active and discontinued product manuals. Visit our Manual Finder Related articles How can I unlock my thermostat? Changing the Program Mode on your Slimline Thermostat Optimum Start Explained What do the icons mean on the neoStat v2? Where can I download the manual for my wiring centre ?