Remove the cups heater by unscrewing the 4 screws.
Unscrew the 4 screw and the upper cover.
Remove the crown by removing first carefully the tie-rod and then the 4 screws holding the crowns together.
Remove the red cap from the pressurestat. The pressurestat has 2 screws. #1 adjusts the differential (the pressure-stat on/off range). We strongly advise you not to touch it. #2 adjusts the pressure within a range of 0.5 – 4.5 bar.
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