Ascaso Fixed Filter Piston Compression Chamber Lid ca It controls boiler pressure by

It controls boiler pressure by cycling the heating element on and off within the set pressure range

Fits F_969 valve with W_635 connector

Left side (as facing machine)

Outer diameter: 70 mm

1/8" British Standard Pipe thread

Ascaso Fixed Filter Piston Compression Chamber Lid ca It controls boiler pressure byAscaso Fixed Filter (F. F.) Piston Compression Chamber Lid Compression chamber lid used only in Ascaso's rare Fixed Filter thermoblock models, look for an "F. F." suffix on your machine's model sticker before ordering. This is a special order item, typically requiring 4 6 weeks for processing prior to shipping. COMPATIBILITY Fits: Ascaso Bar FF, Basic FF, and Dream FF (Fixed Filter thermoblock models only, marked "F. F." on the model sticker)