Heating Controls

Honeywell ST799 - 7 day electronic programmer

The ST799 is an electronic central heating time control programmer that can be used on gravity primary or fully pumped systems having separate heating and hot water temperature control.wws

The programming sequence for the ST799 is straightforward, using the top slider switch and the day, (+) and (-) buttons.

Compact size   Built-in battery backup Programmed indicator lights   12 hour time display with am/pm indication One or two on/off periods per day   Double insulated Ease of operation   Built-in start-up programme Backlit display   Programme reset Interchangeable with ST699

Price - £75.68