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BUNN Espress™
ES•2A™/ES•2SA™
6
PLUMBING
PLUMBING REQUIREMENTS
This brewer must be connected to a cold water system with an operating pressure between 20 and 90
psi. A shut-off valve should be installed before the pump. Install a pressure regulator in the line when the
pressure is greater than 90 psi. to reduce the pressure to 50 psi. The water inlet fitting is a 3/8 flare.
This equipment is to be installed to comply with the Basic Plumbing code of the Building Officials and Code
Administrators International, Inc. (BOCA) and the Food Service Sanitation Manual of the Food and Drug
Administration (FDA).
PLUMBING HOOK-UP
1. Flush the water line and securely attach it to the 3/8” flare fitting on the inlet side of the pump.
2. Connect one end of the braided hose (supplied) to the outlet side of the pump and the other end to
the water inlet fitting located under the drain tray of the brewer. This tray is removable. Do not
overtighten the fittings. Rubber gaskets are provided to be inserted into each end of the braided hose.
3. Turn on the water supply and check for leaks.
4. Plumbing diagram is shown below.
P-138
P-139
Important: Both filter and strainer must be hooked up in system.
EasyClear filter
pump
strainer
brewer
supply
line
Insert washer
Insert washer
Braided hose
PUMP
Inlet water fitting
(inside brewer)
OutletInlet
Water supply line
(from strainer)
3⁄8"
copper