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Hello, Just to let you know that the issue has been resolved now, due to the 24v link on the boiler been removed. I now noticed that when the thermostat is off I see code S.30 on the boiler indicating that the thermostat is blocking it from firing up the heating. This proves that the...

I do not what zone means but I do have individual danfoss thermostats in every room, Actual it is a flat so thermostats in the living room, bedroom and a TRV in the hall way. H.

Ok, so I dropped the boiler temperature to 55 degrees and now noticed that every 30 to 45 minutes it goes through the following S codes for a few minutes when the room thermostats are switch off: S.00 - Heating, no heat demand S.02 - Heating mode pump flow S.03 - Heating mode, ignition...

No, the heating does not come. The radiator symbol is not flashing to indicate that it is calling for heat. I just see the flame symbol come on showing that it is drawing gas for a few seconds and then the anti-cycle symbol comes afterwards. H.

Hello ScottishGasMan, I believe you maybe referring to the “comfort” setting on these boilers for keeping the hot water at a particular temperature all the time which I have switched off. I thought this is for the hot water and not the heating of the room? I...

Hello, I have a new Vailant EcoTec pro 28 boiler. I have been told in the manual to set the boiler to 75 degrees and allow the room thermostat to control the heating. However I notice when the thermostat timer switches off the boiler, it periodically fires up for about 15 seconds and goes...

Hello U6, Yes indeed it is an ecoTec pro boiler. I did the following test: First I switch off the room thermostats so that it does not switch the heater on. Then I enable the heating on the boiler unit. It fired up showing code S.02, S.03 and S.04 then it went to S.07 with the egg timer...

Hello, I have a new boiler Valiant boiler ecoTec 24 installed. What I find puzzling is that when I enable the heating from the boiler control, l the boiler fires up periodically with the anti cycle icon on even though the room thermostat unit is set not to switch the boiler on. With the...

Hello baxpoti, Are you in a hard water area? No idea, I am in SW london Regardless of hot water OK when heating on, you do have intermittent hot water. When the central is switch off i.e. Summer time I get intermittent hot water. when the the central heating is on I can get...

Hello gas_man_gaz, The boiler is a Potterton Puma 80. regards H.

Hello, I have a problem with my potterham boiler. When the central heating boiler is on I can get continuous hot water. When the central heating is switched off I get intermittent hot water. The BG engineer came around and said that it is scaling in the pipes and it needs de...

I got a boiler engineer in (Corgi Eng) and he change the thermostat, checked the radiators for air pockets (none found) and changed a gas valve unit which cost about £300 pounds and the boiler is still resetting. I notice it does this when the central heating is on and you turn on the hot...

Hello, can someone help, my Potterton Lynx2 Boiler keeps resetting when running the hot water. When running the hot water the WATER HEATER and DEMAND indicator lights is lit on the boiler. Then the IGNITION and FLAME indicator light are lit to show the the boiler is on providing...