The Worcester 87161066650 twin channel digital timer (DT20) is a genuine Worcester Bosch control accessory designed to give homeowners intuitive and flexible time-based heating and hot water scheduling. As a twin channel digital programmer, the DT20 allows you to independently programme on/off periods for both central heating and domestic hot water over a 24-hour or 7-day period, helping optimise comfort and energy use without requiring manual adjustments multiple times a day. Built to original equipment standards, it integrates cleanly with supported Worcester Bosch boiler control systems and offers easy-to-use digital settings for reliable everyday operation.

This twin channel digital timer is compatible with Worcester Bosch boilers and control systems that support DT20 interfaces and list part number 87161066650 in their documentation. Because control panel configurations and compatibility can vary by boiler model and production year, it’s recommended to verify fit against your boiler’s exact model number and GC number before purchase to ensure proper integration.

Key features of the Worcester 87161066650 twin channel digital timer (DT20) include genuine Worcester Bosch manufacture for assured quality and compatibility, separate digital scheduling for heating and hot water channels to maximise comfort and efficiency, simple programming and intuitive interface, support for daily and weekly scheduling patterns, seamless integration with compatible Worcester Bosch control systems, and dependable performance when installed by a qualified heating engineer during system setup or retrofit.