The chain-wrench you are referring to is the Central/ Tyco CPVC hold back 
wrench part 3002.

Chuck Wyse  CFI -1
Field Investigator , Technical Product Support Specialist
Engineered Systems, USA
Technical Services,  Fire Protection Products
Johnson Controls

Mobile: +1 302 559 0387<tel:+1%20302%20559%200387>
Direct: +1 302 559 0387<tel:+1%20302%20559%200387>

[email protected]<mailto:[email protected]>

Johnson Controls
1400 Pennbrook Parkway <x-apple-data-detectors://6>
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On Sep 28, 2017, at 4:10 PM, Micah Davis, SET 
<[email protected]<mailto:[email protected]>> 
wrote:

Just remembered one more trick I once saw.  A technician I worked with had a 
chain wrench that resembled a small oil filter wrench with the head at a right 
angle.  It reminded me of a plumbers basin wrench, but it had a chain on the 
end instead.  He was able to work it into a wall and wrap it around the CPVC 
fitting to hold back on the fitting while removing a sidewall sprinkler for 
replacement.  I'm not sure where he found it, but you might be able to find a 
similar tool and squeeze it up beside the sprinkler in the hole in the freezer 
ceiling.

Micah Davis
www.dyanamicfiredesigns.com<http://www.dyanamicfiredesigns.com>

-----Original Message-----
From: Sprinklerforum [mailto:[email protected]] On 
Behalf Of proud-texan
Sent: Thursday, September 28, 2017 1:40 PM
To: 
[email protected]<mailto:[email protected]>
Subject: Re: Removing Dry Sprinklers

Even King Kong wouldn't be strong enough to lift an 18" pipe wrench while 
holding the other end of an 8' cheater pipe.  But I appreciate your suggestion.

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