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Replacing thermostat - anything special about power off?

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28W
28W Member Posts: 141
in Gas Heating
In preparation for replacing my thermostat, is there anything special about shutting off power to a modcom system that I need to be aware of? My old oil boiler had a "kill" switch upstairs to shut down the boiler and pumps. I'm pretty sure that switch is still active on the new Vitodens boiler (the power to the new system comes from the existing circuit). So, can I just flip the switch?

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  • John S_2
    John S_2 Member Posts: 29
    edited October 2012
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    nevermind

    There was an error rendering this rich post.

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