Returning hot water systems to service after standing still for a long time (a week or more)

Now that organizations are (partly) opening up, hot water systems will also be started up again. We recommend that you flush these systems thoroughly before using them for the first time. Even if the water heater has not been completely ‘off’, water may have stood still for a long time in the pipes. That can entail risks.

More information about restarting your hot water system safely.

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