Dear Customer, There have been some changes in our product. Therefore, please click on the corresponding tab above to look up the information for your individual product. For products with the serial number 8860119052 and higher (purchased from January 2023 onwards), please click on the tab named "Art. No. 12784". For products with the serial number 8860119051 and lower, please click on the tab named "Art. No. 11414". You'll find the serial number at the label in front of your product's valve block (below the electronic control).

CAUTION
During installation of the flush valve (Art. no. 12831) pay attention to the correct position and orientation of all components.
Remove the flush valve:
1. Remove the controller from the valve block as described in Removing the controller from the valve block.
2. Remove the cable from the flush valve.



3. Remove the four bolts (M4x16) from the existing flush valve.
4. Take off the flush valve.
5. Remove the spring and membrane.
6. Remove the small O-rings.



Place the new flush valve:
1. Clean the surface of the valve block and the grooves in the membrane recess.
2. Clean the bore holes where the small O-rings were positioned.
3. Apply a little food grade grease on the outer ring of the membrane recess.



4. Apply a little food grade grease on the new small O-rings.
5. Put both O-rings on the valve block on the small bore holes.
6. Put the new membrane in its recess on the valve block with the brass taper downwards and with bypass upwards.
7. Place the new spring in the middle of the membrane with the spring size increasing upwards.
8. Carefully position the flush valve on the membrane. Make sure that the spring stays upright.
Position the flush valve such that:
a. The arrow indication on the base is positioned at the middle of the valve block.
b. The cable connectors are on the side of the arrow indication on the base of the flush valve.

 

9. Hand tighten the four bolts in steps in a crosswise sequence.
10. Attach the cable to the flush valve.
NOTICE The position of the connectors does not matter.
11. Put the controller back on the valve block and attach its four screws.
12. Perform a manual flush to verify the correct function see Flushing the filter module.

CAUTION
During installation of the solenoid valve (Art. no. 10787) pay attention to the correct position and orientation of all components.
Remove the solenoid valve:
1. Remove the controller from the valve block as described in Removing the controller from the valve block.
2. Remove the cable from the valve.



3. Remove the four bolts (M4x20) from the existing valve.
4. Take off the existing valve cover.
5. Remove the spring and membrane.
6. Remove the small O-rings.



Place the new solenoid valve:
1. Clean the surface of the valve block and the grooves in the membrane recess.
2. Clean the bore holes where the small O-rings were positioned.
3. Apply a little food grade grease on the outer ring of the membrane recess.



4. Apply a little food grade grease on the new small O-rings.
5. Put both O-rings on the valve block on the small bore holes.
6. Put the new membrane in its recess on the valve block with the brass taper downwards and the membrane with bypass upwards.
7. Place the new spring in the middle of the membrane with the spring size increasing upwards.
8. Carefully position the valve cover on the membrane. Make sure that the spring stays upright.
Position the valve cover such that:
a. The P indication is positioned to the middle of the valve block and the A indication is facing outward to the side of the valve block.
b. The NC symbol on the side of the valve cover must be at the A side of the valve cover (to the side of the valve block) and the NO symbol at the P side of the valve cover (to the middle of the valve block).
c. The cable connectors are on the A side of the valve block.



9. Hand tighten the four bolts in steps in a crosswise sequence.
10. Attach the cable to the valve.
11. Put the controller back on the valve block and attach its four screws.
12. Perform a manual flush to verify the correct function see Flushing the filter module.