Plumbing questions, answers, tips and tricks. Need help replacing my kitchen tap please. So the boiler needs to provide much less heat to this water before it sends it around again. If I then tried to put the heating back on, it wouldn't work (heating side). The problem is that the central heating keeps turning itself on even though the programmer is set to off. if ((!$("#local-search-services-req").val()) || (!$("#local-search-location-req").val())) { Worcester Bosch . }); (You must log in or sign up to reply here. If I ran the hot water tap, boiler would keep firing (potentially for hours) even after I'd shut the tap off. We recently moved into a house with a combi boiler (Worcester Greenstar 27CDI and DT20 programmer) and radiators fitted with thermostatic valves but no room thermostat. $("#local-search-location").val($("#local-search-location-req").val()); I was hoping it was going to be that. Hi there, First time posting so hope can be of assistance. JavaScript is disabled. I 'topped up' the pressure to 1.5 bar when cold and it was nearer 1.8 bar when the system was quite hot. In my case it was a sticking pin linked to the diverter valve meaning the boiler constantly thought there … My Combi Worcester Boiler does not fire up when I turn on the tap. It may not display this or other websites correctly. I have Worcester Greenstar 24i 4 years old and the boiler shuts off if you increase the thermostat setting on the boiler slightly over 1/4 turn.so the heating is low and so is the hot water. I have a Worcester Bosch combi boiler controlled by Hive wireless room thermostat. From the United States of America? Looking for a Heating Engineer? $( "#local-search-error" ).show(); There's an alternative of pressing an Eco button and leaving it on that setting which means it will stop regularly turning itself on but will take longer to get hot when you run a tap. My Ferroli boiler keeps switching off- help please! News. $("#local-search-services").val($("#local-search-services-req").val()); } return; If your Worcester boiler is pre-2004, check my blog post ‘5 Common Faults and Fixes for your Faulty Worcester Boiler’ (INSERT LINK). This means that when you want hot water the system runs, triggers heating and you wait for about half a minute for hot water. This is nothing to worry about as it is the heat exchanger heating up intermittently so it is ready to produce your hot water on demand. How to repair the left hand hydrolock / Manifold on a Worcester Greenstar Junior. You have probably heard of Worcester Bosch boilers and rightly so, as they have been recognised as the best brand in the boiler … We've had the boiler running for three showers and general washing and haven't had a problem with that. It's an 28i Junior Worcester Bosch and doesn't appear to have a keep hot setting for the water. Reply to Combi Boiler turning itself on randomly in the Central Heating Forum area at PlumbersForums.net. Discussion in 'Plumbing and Central Heating' started by huwy123, 8 Feb 2011. Change 4 zone heating system to smart thermostatic radiator valves instead? My boiler does a similar thing. in the Central Heating Forum area at PlumbersForums.net, Welcome to PlumbersForums.net - The international free. Worcester boiler problems with heating are often evident through the temperature of the water coming through your taps or within your radiators. }); When the boiler comes on in the morning, the radiators het hot and the temperature quickly reaches 20 degrees (one degree lower than that set on thermostat). Useful For a better experience, please enable JavaScript in your browser before proceeding. Again, this might be a result of a faulty water pump or an airlock in the pump. There is an eco setting for something, but this isn't on. I have a two year worcester boiler (just out of warranty:rolleyes:) when I turn it on the blue light is on but the green light only comes on for about 10 seconds before going out. Boiler turns the CH on randomly of its own accord every now an then for 5-10 minutes then turning itself off again. Post Jobs Here, Coronavirus SARS-Cov-2 virus and COVID-19 disease. What is the best setting to keep the central heating coming on daily when I'm away? Means we can just replace it with a wireless one with room thermostat as we were planning on doing before this all started. $( "#submit-search" ).blur(); Should you need an engineer, and always consult one if in doubt, you can get a free boiler repair quote with Boiler Guide. Thanks for your reply. 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