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Grundfix Plus Control backflow trap type 3
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Carefully remove the lid.
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Clean the spindle on the underside of the lid.
Do not grease the spindle!
▶
Carefully clean the opening for the pressure switch on the lower side
of the cover with a small brush.
▶
Take out and clean the flaps.
▶
Check seals, if necessary, replace them.
Handling
36
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