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P1478
PLUMBING REQUIREMENTS
This brewer must be connected to a cold water system with operating pressure between 20 and 90 psi from
a 1/2” or larger supply line. A shut-off valve should be installed in the line before the brewer. Install a regulator
in the line when pressure is greater than 90 psi to reduce it to 50 psi. The water inlet fitting is 1/4” flare.
NOTE - Bunn-O-Matic recommends 1/4” copper tubing for installations of less than 25 feet and 3/8” for more
than 25 feet from the 1/2” water supply line. A tight coil of copper tubing in the water line will facilitate moving
the brewer to clean the counter top. Bunn-O-Matic does not recommend the use of a saddle valve to install the
brewer. The size and shape of the hole made in the supply line by this type of device may restrict water flow.
As directed in the International Plumbing Code of the International Code Council and the Food Code Manual
of the Food and Drug Administration (FDA), this equipment must be installed with adequate backflow pre-
vention to comply with federal, state and local codes. For models installed outside the U.S.A., you must
comply with the applicable Plumbing /Sanitation Code for your area.
32430 051512
Plumbing Hook-Up
Model OL15 has an attached water strainer, proceed
to step 2.
Models OL20, OL35, & RL35, proceed as follows:
1. Remove the rear panel and bottom pan. Run the
long piece of tubing from the strainer (supplied)
under the brewer and attach it to the water inlet
fitting on the bottom bracket. Reinstall the bot-
tom pan and rear panel.
2. Flush the water line and securely attach it to the
1/4” flare fitting on the strainer.
3. Turn on the water supply.