BUNN Espress™ Model ES•1A™
16
5
6
7
8
9
1
2
3
4
11
12
10
1 ........ Electric pump
2 ........ Check valve
3 ........ Refill solenoid
4 ........ Flowmeter
5 ........ Steam valve
6 ........ Hot water rinse valve
7 ........ Liquid level probe
8 ........ Pressure relief valve
9 ........ Pressure switch
10 ...... Pressure gauge (Pump/Steam)
11 ...... Compensation valve (anti-siphon)
12 ...... Group head espresso extraction chamber
SCHEMATIC-PLUMBING