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 & boiler switched off when space and hot water temperature requirements are satisfied
• Both systems can operate at the same time

Options

• Programmable thermostat in heating zone to provide'Best Practice' system
• Radiator thermostats may be fitted to provide temperature control in selected rooms/areas
• evotouch can provide wireless boiler interlock for individual radiator control