Rancilio EGRO 55 Series Technical Manual page 70

5.3 STEAM BOILER - CONTINUED
WATER LEVEL PROBE
Regulates the water level in the steam
boiler.
Red wire -- sends date to Mainboard
Blue wire -- grounded on top of
boiler, connects to Mainboard
© Copyright 2008. Rancilio North America
THE FOLLOWING COMPONENT IS INCLUDED WHEN THE
MACHINE IS EQUIPPED WITH ISTEAM.
VENTURI MIXING CHAMBER
Valve where steam is infused with air
using the principles of Venturi.
The Venturi is located on the door of
the Egro.
- Section 4: Page 5 -
EGRO 55 SERIES TECHNICAL MANUAL
INJECTION CHAMBER
Union where steam meets water from
coffee boiler and continues on to hot
water tap. Used for prepartion of tea
water.
E55_TM_S5_HyraulicV3