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Jun 2, 2009|
Question
Dear Dr. Brew,

I have heard that I should not use water from my hot water faucet, i.e. from the household water heater line, but should always use the cold water line as a source. Is that due to temperature, quality, or something else? Does not the BUNN keep and hold hot water pretty much as a house water heater would? Thanks for any info.

Ken

Answer

Dear Ken,

I have heard the same information concerning the use of water from a water heater system.
A home water heater is usualy set at 140°F or lower. A commercial and some home brewers maintain a ready to brew temperature of 195 - 205°F. A water heater system is held at supply line pressure hwere a coffee brewer is vented to atmosphere.

I went to the EPA web site to ask for information and received the following.

Recently you requested personal assistance from our on-line support center. Below is a summary of your request and our response. Thank you for allowing us to be of service to you.

Dr.Brew - Are there reasons why you should not consume water from a water heater system?

[Thank you for your inquiry to the EPA Web site. Your request has been received by the Headquarters Public Access Service, a contractor operated reference and referral service.
You asked if there are reasons why water from a water heater system should not be consumed. We have not been able to locate any information on this topic on EPA's Web site. The Safe Drinking Water Hotline provides information about EPA's drinking water regulations and other related drinking water and ground water topics. Safe Drinking Water Hotline staff can be contacted by:Telephone: Toll-Free: 1-800-426-4791 Local (Washington, DC metro area) and international calls: (703) 412-3330 Address: Safe Drinking Water Hotline (4606M) 1200 Pennsylvania Avenue, N.W. Washington, DC 20460The Office of Ground Water and Drinking Water (OGWDW), together with states, tribes, and its many partners, protects public health by ensuring safe drinking water and protecting ground water. OGWDW, along with EPA's ten regional drinking water programs, oversees implementation of the Safe Drinking Water Act, which is the national law safeguarding tap water in America.The Office of Ground Water and Drinking Water (OGWDW)’s web page is located at: http://www.epa.gov/safewater/index.html_This office can be reached by: Phone: 202-564-3750 Fax: 202-564-3753Find an answer or ask a question: http://safewater.custhelp.com/cgi-bin/safewater.cfg/php/enduser/std_alp.php_Address: Office of Ground Water and Drinking Water (4601) Ariel Rios Building 1200 Pennsylvania Avenue, NW Washington, DC 20460-0003Thank you. Public Access Service, operated by ASRC Management ServicesEPA Headquarters Ariel Rios Building1200 Pennsylvania Avenue, N.W. (3404T)Washington, DC 20460Fax: (202) 566-0574

Each manufacture generally states in the installation manual, whether the equipment should be plumbed to a cold (tap) water supply or hot water (with a specified maximum temperature) supply.
Also review all supplied literature for water filtration systems.


Happy Brewing,
Dr. Brew

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