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  1. M

    vailant ecotec 838 combi instaled, on heating mode boiler on limp mode

    hi guys, i had recently combi boiler instaled one of vailant advance approved enginerer. hot water works fine. on heating mode, boiler starts with full flame and after a second drop to low flame and never reach target temperutre set for heating. its like in a limp mode, works but like a safety...
  2. M

    boiler not hitting target temp

    hi there, i know it has been couple of years ago, you posted this problem with your boiler, i just wantted find out what was the problem in the end? did you find a solution to your problem. i recently had boiler instation, i have excaly same problem with my boiler, never reach target tempurutre...
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