Viessmann Vitodens 100 type WB1A 7187777 Analog Time Switch Mechanical 1 Channel

Viessmann 7187777 Analog Time Switch Mechanical 1 Channel

Grasslin Type 02.35.5017.1

This part is for Viessmann Vitodens 100, type WB1A

Features:

• Can set various heating times by pushing the switches outwards when heating is required
• Has three modes, heating in chosen time periods, continuous heat and continuous shut off heating