The Sundial Y Plan is designed to provide independent temperature control of both heating and domestic hot water circuits in fully pumped central heating installations.
V4073A 22mm mid-position zone valve
ST9400C 7 day electronic programmer
T6360B room thermostat
L641A cylinder thermostat
Provides independent control of heating zone
Independent control of domestic hot water temperature
Pump and boiler switched off when space and hot water temperature have satisfied requirements making the pack energy efficient
See individual products for dimensions
Technical specification
Wired or WirelessWiredWidth145 mmTypeHeating Control PacksTimer Cycle7 day, 5/2 or 24 hHeight99 mmDigital or AnalogueDigitalDepth35 mmColourWhiteRange DescriptionSundialManufacturer Model NoY609A1029Brand NameHoneywell
Reviews
Honeywell Home Sundial 7 Day Y Plan Installer Pack