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Installation and operating instructions:
domestic hot water pumps Ultracirc S1
®
and Ecocirc E1
®
GB
9. RV ½“ check valve (included in scope of delivery for types E1-15
and S1-15)
10 For types E1-13 and S1-13: integrated ball shut-off valve with
operating handle
11 For types E1-13 and S1-13: integrated check valve
More information on