VAILLANT ECOTEC PLUS 824 831 837 937 NON RETURN FILLING LOOP VALVE 0020010294

VAILLANT ECOTEC PLUS 824 831 837 937 NON RETURN FILLING LOOP VALVE 0020010294. In working used condition from the eco tec plus 831 When replaced the other week . Clean inside part no lime scale. See photos as part of the description Any questions please ask Delivery or collection available

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