Vaillant 150 Timer (20116882)

Vaillant 150 Timer (20116882). The Vaillant Timeswitch 150 is a simple and analogue heating control that works alongside the VRT 50 eBus room thermostat. It gives the user the ability to control the timing and length of boiler operation throughout the day, and the load compensation modulates the output of the boiler via eBus for increased energy efficiency, adding 3 percentage to the SAP efficiency rating. Single channel analogue timer. Mounts directly into the boiler fascia for easy installation. 24 hour timer for central heating. Flexible heating control up to 48 on and o