We've found that even when using the DSB-1 (Rubber Boot) for our dry
sprinkler heads we need to foam around the heads in freezers and coolers to
prevent condensation. The first time someone walks on the cooler/freezer
roof/ceiling it can break the seal and allow condensation on the head.
Thom McMahon
Firetech, Inc.
2560 Copper Ridge Dr
Steamboat Springs, CO 80488-2136
Tel: 970-879-7952
Fax: 970-879-7926
----- Original Message -----
From: "Chris Payne" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, February 19, 2008 1:34 PM
Subject: Re: dry pendant in cooler
I have had this happen before and it was due to sealing the head
penetration. We drilled a 2" min. hole and sealed around the head with
spray foam. That solved the problem.
Chris Payne
FPS
----- Original Message -----
From: "GAYLE KNOWLES" <[EMAIL PROTECTED]>
To: "sprinklerforum" <[email protected]>
Sent: Tuesday, February 19, 2008 2:29 PM
Subject: dry pendant in cooler
We have a situation with a dry pendant located minimum 24" away from coil
in a cooler. Apparantly, condensation is building up on head and dripping
water on cooler floor. This is a cooler box at a Walgreens. Box is very
narrow and really no other place to put head. Has anyone experienced this
before and come up with an idea to correct this problem? Walgreen's is
telling us to put a baffle between head and coil. Not a good idea, altho,
box is small enough that head will flood entire area, but baffle adds an
obstruction. Thanks for any ideas or help. I actually told them, coil
was running too cool. Go figure...I am not a refrigeration person.
Gayle Knowles, SET
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