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I have a new combi boiler with a Boss remote control thermostat. The comfort setting is at 18 degrees and the setback temperature is about 19 degrees (I don't really know what they mean and my gas engineer said he didn't!). However, on a morning I would like the temperature to be about 21 degrees, so even on auto my heating does not come on - I have to get out of bed early and tweak up the temperature to activate the boiler. When I increase the heating setting (comfort and setback) this seems to override the auto setting and the heating comes on randomly when we don't require it! Help please?

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Posted on Jan 02, 2017

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SOURCE: thermostat problem ?

If you start by looking on your gas valve, you should find the correct amperage to set the heat anticipator at. I am not sure if you have a forced hot water system or a steam system, but depending on the case, you may also have a second problem, which is easily addressed. If you have forced hot water, the upstairs baseboard/radiators may be airbound and need to be bleed. If you have steam, you may need to slow down the downstairs valves, and open the upstairs valves to get a balance. Hope this helps

Posted on Jul 09, 2009

  • 12104 Answers

SOURCE: The thermostat is not shutting off boiler when the

on electronic stats check that the temp is in sync with the room temp on touch pad push the menu button the two temps should be the same if not touch temp till reads correct

Posted on Oct 18, 2009

  • 33 Answers

SOURCE: ravenheat he85aaa combi boiler running fault

sounds like low water pressure, check pressure guage, get unit serviced

Posted on Jan 17, 2010

  • 472 Answers

SOURCE: thermostat is heating house to desired temp before programmed time

there is a installer setup in this thermostat. do you still have the book?
you will need to gain access to the installer setup/programming and in it you will find a setting called auto recovery turn it off. what this does is after a few days of initally running the system figured out it needed to come on earlier and is starting before the set time to come on... you can turn it off and then will have to adjust depending on insulation value/construction type of home how soon you want it to come on so that it reaches desired temperature when you want...
hope this helps you out,,,

Posted on Dec 03, 2011

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