Worcester greenstar digital DT20 programmer Start Price GBP 0.99 Current Price GBP 27.00 Time Left - Bid Count 11 Buy It Now Price - Reserve Price - Start Time Monday, November 10, 2008 End Time Thursday, November 20, 2008 Location High Peak See more about 'Worcester greenstar digital DT20 programmer' Description We have just replaced this timer with an anologue one - so it is surplus to requirements but working perfectly! Fits Greenstar i and Greenstar Si, complete with instruction manualA 24 hour 7 day digital central heating timer for Worcester Greenstar boilers, which plugs directly into the boiler fascia without the need for any wiring. It can be set for different timing on different days. An over-ride switch is also included allowing heating to be kept on constantly or switched off for longer periods. Really easy to fit to blank faceplate or to replace an existing timer.   Controls when central heating is turned on/off 24 Hour control No wiring - plugs directly into boiler fascia Over-ride switch Place a Bid!