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Discuss Viessmann 200-W menus in the Water Underfloor Heating Installations area at PlumbersForums.net

Viessmann boiler control has two levels of parameters that can be set, level 1 and level 2, but level 2 seems to be almost identical to level 1. What is the purpose of the level2 control options?
 

ShaunCorbs

Staff member
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Plumber
Gas Engineer
Installer menu don’t mess around too much
 

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