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Small 3/8" PEX manifolds

Working another small, tight house and wondering if anyone makes PEX manifolds in smaller sizes. I'm looking at a bunch of 3-4 port manifolds for 3/8" tubing which will be fed with 1/2" PEX and everything I have used in the past is suddenly looking oversized...
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Comments
head losses aren't too high go with it . It is what it is . I would be careful of velocity noise though , you know what is right .
Langans Plumbing & Heating LLC
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Serving most of New Jersey, Eastern Pa .
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Rich McGrath 732-581-3833
but I just don't see that many manifold options. Viega Minibloc is one.
http://www.blueridgecompany.com/radiant/hydronic/471/rht-mini-manifold is another - not sure who actually makes those but the sizing looks about right.
Watts? I thought I remember the manifold that takes a 3/8 or 1/2 pex, depending on the compression rings/adapters.
from Watts Radiant, Alberta T-Drill, Sioux Chief
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Living the hydronic dream
Uponor TrueFlow Jrs?
http://www.uponorpro.com/~/media/Extranet/Files/Catalog%20Related%20Docs/Specifications%20and%20Submittals/Uponor%20Radiant%20Heating%20and%20Cooling%20Systems/TruFLOW%20Modular%20Manifolds/TruFLOW%20Jr.%20Supply%20Manifold%20with%20Balancing%20Valves/A266321x_TruFLOW%20Manifold%20wBalValves_07%2017%2009.aspx?sc_lang=en&version=101520090113