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MT 10

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Questions and answers

Nicola Herman
April 22, 2025

The blue light is off and lights up when I turn on my kitchen sink hot water tap. At one stage this light was on all the time but after a heating engineer attended to the boiler this changed and now I am querying what is the correct thing regarding this blue light?

1 comments:
Mr. Anderson
May 11, 2025

When the blue light on a Worcester MT 10 boiler is off and only lights up when the kitchen sink hot water tap is turned on, it indicates that the boiler is in standby mode and only activates (fires up) when there is a demand for hot water.

This answer is automatically generated

Andrew Bartolo
January 31, 2025

What efficiency / energy rating is my MT10 combi boiler

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Summary of Contents for Worcester MT 10

  • Page 1 MT 10...
  • Page 2: Safety Instructions

    MT 10 Safety Instructions B These instructions must be observed to ensure proper functioning of the timer. B The timer should only be fitted by an approved installer. B The timer must not be connected to the 230 V mains supply.
  • Page 3 MT 10 230V AC 6 720 611 792-03.1R 6 720 611 792-03.1R 8 716 106 641 GB (04.09)
  • Page 4 MT 10 6 720 611 792-05.1R 8 716 106 641 GB (04.09)
  • Page 5 MT 10 6 720 611 792-11.1R 6 720 611 792-07.1R 8 716 106 641 GB (04.09)
  • Page 6 MT 10 on = AUTO off = 6 720 611 792-08.1R 6 720 611 792-09.1R 8 716 106 641 GB (04.09)
  • Page 7 MT 10 6 720 611 792-10.1R 8 716 106 641 GB (04.09)
  • Page 8 MT 10...

Table of Contents