Worcester 77161920070 7 Day Electronic Timer (HF & Oil Boilers)

Worcester 77161920070 7 day electronic programmer (HF & Oil boilers)

Worcester part number: 77161920070

This is used on Highflow 3.5 OF,BF and RSF. Highflow 4.5/OF and BF. Highflow 400 RSF, BF,OF/NG and LPG

Also used on older Heatslave Oil models.

Please ensure that this is the correct timer for your boiler prior to ordering.