#11. What maintenance is required?

The only maintenance requirement for the Weiss HVS is the changing of the filter bags. The microprocessor touch pad will illuminate the change filter light at the end of an eighteen-month period.
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  6. Can a Weiss HVS be installed in a home with cathedral ceilings?
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Due to the variation between cities and countries, we have to keep the advice fairly general, and you should check your local requirements.