Hi, sorry for the late reply....school holiday week in Scotland was away with the grandkids last week
On HW.... boiler fired for 4mins 44secs, then OFF for 6mins, ON for 1min 36secs, OFF for 5mins 7secs, ON for1min 40secs, OFF for 5mins 20secs, ON for 1min 40secs, OFF for 6mins the ON again...