ST9000 Y Plan With 1 Day Programmer

Sundial Y Plan Controls Pack With 1 Day Programmer

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. Sundial Y Plan satisfies the minimum standard requirements of the Building Regulations Part L1 when used in conjunction with radiator thermostats and an automatic bypass valve. For systems in dwellings with a floor area greater than 150m², Sundial S Plan Plus must be used.

Features:

Independent control of heating zone
Independent control of domestic hot water temperature
Pump and boiler switched off when space & hot water temperature requirements are satisfied
Both systems can operate at the same time

Contents:

ST9000 Series 1 Day Programmer
1 x Mid position valve
Cylinder thermostat
Room thermostat
Wiring center