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vaillant ecotec pro 24 goes into anti cycling mode it never did that I have Honeywell Home Sundial -Channel Wireless RF2 Pack 2 connected. Thermostat is set to 21.5 hot water work fine never had a problem with the boiler past 2 years snice is has been installed. Heating is set to 60 on the...

Can someone help my Honeywell V4073A1039/U 22 mm Mid Position Valve three port valve is making ticking noise which it shouldnt i leave it in continuous both water and heathing and just turn on the thermostat when I need the heating on how to i fix this i got a three port valve replaced by an...