Grundfos AQtap Service Instructions With Installation And Operating Instructions page 46

5. Take out the flow restrictor by means of small pliers.
6. Place the new flow restrictor in correct orientation.
7. Place the new flat gasket.
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8. Place the upper part of the hydraulic part and screw on the
union nuts.
9. By means of two wrenches tighten the union nuts.
– Torque (left side, top of flow sensor) = 25 ±2 Nm
– Torque (right side, top and bottom of solenoid valve)
= 60 ±5 Nm
Size Torque [Nm]
M20 25 ±2
Size Torque [Nm]
M20
10. Complete the internal servicing of the AQtap, see section
17.14 Completing steps after internal servicing.
60 ±5