The ESi S plan kit provides fully independent time and temperature control of the heating and hot water in pumped domestic central heating system, comprising of a 2 channel programmer (ES2247B), 2 QTY motorised zone vales (ESZV222L), electronic room thermostat (ESRTE2), clamp-on cylinder thermostat (ESCTS) and a 12 way wiring centre (ESWC1).
The pack meets the controls requirements of Part L of the building regulations in one box.