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Old 07-08-2009, 01:47 AM   #1
EvilGnome6's Avatar
May 2009
Scottsdale, AZ
Posts: 664
Liked 11 Times on 11 Posts

I'm looking to upgrade all my plumbing to silicone tubing with quick disconnects.

My immersion chiller and heat exchanger coils are 3/8" OD, 1/4" ID copper tubing so I'm going to plumb with 3/8" ID silicone tubing.

Here are the parts I've picked out at McMaster-Carr:

Silicone Tubing (3/8" ID, 5/8" OD): 51135K37
3/8" Hose Barb to 3/8" Socket: 6739K62 (QD sockets for the tubing)
3/8" Male NPTF to 3/8" Plug: 6739K57 (QD plug for MLT and HLT ball valves)
1/2" Male NPTF to 3/8 Plug: 6739K59 (QD plug for pumps)
3/8" Female NPTF to 3/8 Plug: 6537K12 (QD plug for MLT return pipe)

The only puzzle left is figuring out how to fix a QD plug to the chiller and heat exchanger tubing. I'd really prefer a compression fitting because I don't have a propane torch. It looks like this one (50915K224) will fit the bill but I'm not sure. Can anyone confirm this? Is there a better fitting or solution to get QD plugs onto the ends of the copper coils?

Reason: Fixed typo

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Old 07-08-2009, 01:09 PM   #2
Jul 2007
Granville, Ohio
Posts: 716
Liked 13 Times on 10 Posts

A propape tourch set up can be found for 10 bucks if you shop around, sweating copper is shockingly easy.

I can not get MMC to load for some reason, but you will want a 3/8OD to 3/8 NPT compression fitting, male or fremale depending on your application.

Something like this.

Watts: No. 968 | Ander-Lign® Tube to Male Pipe Connectors - with Brass Insert
Insert catchy signature here....

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