De Dietrich Oertli ML 52 Notice De Montage Et D'utilisation page 20

4.2 Assembly
Optional accessories for assembly into the ½" sleeves of the ball valves
Item no. 566001
Item no. 2260
B-10
Immersion sleeve (as a point for temperature measurement)
Valve with counter nut for draining the boiler circuit
99961255DeD01-mub-ml – V01
4 Assembly and installation [specialist]
2014/08