Tyco RSV-1 (1") size, they used to make a 2" and you may still find one on
somebody's storage shelf.
Be careful the lit says for use in 13D systems. You may need to look at a
solenoid valve on the domestic operated from the flow sw.

Thom McMahon, SET
Firetech, Inc.
2560 Copper Ridge Dr
P.O. Box 882136
Steamboat Springs, CO 80488
Tel:  970-879-7952
Fax: 970-879-7926



-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Matt Grise
Sent: Thursday, April 08, 2010 3:39 PM
To: '[email protected]'
Subject: RE: FM Small Room Rule?

Is anyone familiar with a product that automatically shuts of the domestic
water in a combined sprinkler system? I am working on a retrofit system for
an apartment building (that was severely damaged by fire) and it only has a
1.5" copper line coming into it. I think I can get it to carry the sprinkler
system, but there is no way that it can support the sprinks and domestic
load. 13R (2002 -6.5.5)  says that "domestic demand shall be included...
...where no provisions are made to prevent the domestic water flow upon
sprinkler system activation"

Any recommendations or successes with provisions to prevent domestic water
flow?

Thanks!

Matt Grisé PE*, LEED AP 
Sales Engineer 
Alliance Fire Protection 
*Licensed in KS & MO 

913.888.0647 ph 
913.888.0618 f 
913.927.0222 cell 
www. AFPsprink.com 

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