modulating boiler

  1. S

    What is the best modulating smart heating system?

    Ive opened a can of worms by researching the heating system for our refurbishment. We are having a central heating system installed. The proposed boiler is a Vaillant ecoFIT pure (think 618 but not definite). The heating will have 3 underfloor heating circuits for two zones. Builder intends...
  2. C

    Worcester Bosch runs at constant (low) output

    Hello everyone, first post and I can't find anything on the search function. I have just had a new WB Greenstar 8700 system boiler installed. It is controlled by an Easycontrol wireless thermostat. The plumber has been useless - installed it, switched it on and said let it run for a few days...
  3. B

    Chrono- Proportinal Thermostat with Modulating Boiler - Control Conflict??

    Hello, I'm using a chrono-proportional thermostat with a modulating combi boiler. I've read that this set up may not be efficient because of a conflict with the inbuilt boiler control logic and the TPI control, (return temperature and stuff I don't really understand). I've also read the...