weimens

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![ebusd_status01_5](https://user-images.githubusercontent.com/4752766/118321873-8b7f4a00-b4fe-11eb-85f5-8fcefd0a59ec.png) For the vaillant ecotec plus vcw the last byte of the Status01 is also not the pumpstate. Looks more like an combined Status of ValveSet and Flame.

https://github.com/haiwen/seahub/pull/5105 is a prerequisite to this pull request.