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This product does not comply with the "Safe Drinking Water Act,"
which requires that products used in any system providing water for human
consumption (drinking or cooking) to meet low-lead standards.
Please check the box below to confirm you are aware of that this item is for non-potable water applications only.
This product will NOT be used in the installation or repair of a potable water (human consumption) application.
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Supply adapters must be purchased separately and are required to install this product.
Mounting straps are pre-drilled to mount 16" center studs. They are optional and sold separately.
The 10-year warranty only applies if this MANABLOC is installed with all Viega products.
The MANABLOC Wrench allows you to easily tighten the lock-in nuts for this MANABLOC with precision. This item must be purchased separately, as it is not required but highly recommended.
53601: MANABLOC Supply End Cap does not come included and must be purchased separately.
Compression MANABLOCs provide a home-run distribution manifold for the plumbing system. These MANABLOCs utilize either 3/8" or 1/2" distribution ports. Each MANABLOC comes factory pre-assembled with color coded hot and cold ports. All Compression MANABLOCs include port compression connections, drill templates, instruction guide, faceplate and port labels. **Important**
(based on 117 reviews)
of respondents would recommend this to a friend.
Most Liked Positive Review
Great product, easy to work with and great instructions. Does a good job of equalizing pressure/flow for individual fixtures (my house was run is series before) and it looks cool if you're...Read complete review
Great product, easy to work with and great instructions. Does a good job of equalizing pressure/flow for individual fixtures (my house was run is series before) and it looks cool if you're neat about it.
Most Liked Negative Review
Not enough cost benefit
The ports fit too close together, making it difficult to install.Need some sort of brace to install tubing so you do not need such wide bends to hold the extra...Read complete review
The ports fit too close together, making it difficult to install.Need some sort of brace to install tubing so you do not need such wide bends to hold the extra clips.I ses no cost benefit in using it.
Reviewed by 117 customers
Displaying reviews 1-10
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By Ron the homeowner
from Tiverton, RI
Comments about 1/2", 18 Port Compression MANABLOC (8 hot, 10 cold):
Completely elimnates joints inj the walls.
Bottom Line Yes, I would recommend this to a friend
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Great product, easy to use and setup.
from Westcliffe, Co
Comments about 1/2", 14 Port Compression MANABLOC (6 hot, 8 cold):
The kit which I purchased has 14 outlets for water lines but only includes 12 compression fittings to connect the water lines.
Merchant response: The MANABLOC should have included 14 compression fitting assemblies. Please contact our customer service department so that we can have the missing fittings sent out to you.
from vandenberg village,ca
Comments about 1/2"" / 3/8"" 30 Port Combination MANABLOC:
It worked great... easy install
from Las vegas nv
Comments about 3/8"", 18 Port Compression MANABLOC (8 hot, 10 cold):
Well worth it
By plumbing made easy
Makes plumbing easy, its was placed in our camp, in the winter, we just open all valves, even those that are not attached to pex pipe, and the system is drained. Also you open the faucets, and remove kitchen sprayer, so that all water drains down.
Life made easy
By Pipe Runner
from hunington pa
circut breaker for water
These things are great!
from East Coast
Comments about 1/2", 24 Port Compression MANABLOC (9 hot, 15 cold):
I'm not a plumber but I've installed three of these so far and it has gone well every time. Great product.
from Buffalo, NY
Awesome and prompt service from Supplyhouse. If you're installing it recessed into stud wall make sure to align the holes that you drill thru the studs straight on with the ports on the manifold. That way when your pex lines run thru your studs it's much easier to align and thread the compression fittings. And oh yeah, buy the wrench! Other than that, easy install with a little planning.
Great way to simplify your home's plumbi
By Ona & Papa Johnson
from Linneus, MO
We mounted the Manibloc on the wall in the laundry room so we now controll every fixture from one convenient central location! No more crawling around under the house to find/repair a leak, with easy shut-off of any fixture without needing to turn off the main water supply. Pex is the only way to go.
Works great with PB pipe
from So AZ
Comments about 3/8"", 30 Port Compression MANABLOC (12 hot, 18 cold):
I got the 30-port compression fitting unit to replace a mid-90s (gray) Vanguard Manabloc used w/PB pipe. The new Viega unit does not have the large gap where the hot/cold blockoff plate goes; all outlets are evenly spaced. My old unit had this gap, fortunately my lower fittings were not used but be aware of this when using as a replacement. The PB pipe (3/8 in my case) has the same OD as PEX so it fits fine; just be sure to carefully break off the old compression ring and pry out the PB-sized metal ferrule with a knife. The new PEX ferrules are too small for PB. I then trimmed 1/4 inch off the old pipe ends so the new compression ring could seat cleanly. The installer left out a few of the PB ferrules(!), so I bought some S/S thinwall tubing at the HW store and made my own. The PB pipe ID for 3/8 and 1/2, unlike PEX, is the same as the nominal size so stock-size tubing fits perfectly. I cut the tubing into ferrule lengths and flared one end out to retain them in the pipe ends with a cheap flaring tool. Very important to have the ferrule ends smooth and even inside the pipe, or else cavitation will occur (see below). Make sure each pipe end fully seats into its Manabloc fitting, then make marks with a felt pen to watch for any creep-out (none so far). My old supply fittings used hose-type washers vs. the O-rings now used on the Viega unit, but they fit and re-sealed fine. I hooked up all of the pipes, then mounted the new unit right where it wanted to sit with no stress on the pipes. My old unit had started to leak at the valves when I turned them off, so I appreciate the replaceable vales on the new one. My 20-yr-old PB pipe (copper crimp rings/brass fittings) shows no sign of deterioration on city water, and a sample flexes without any deformation or splits. I've seen some PB and early PEX in nearby houses with main/branch systems that failed where cavitation at the end of a thick-wall fitting ate through the pipe, but our tract has the home-run system and has had no issues I'm aware of. If you hear a strong 'running water' hissing noise in your pipes it might be worth investigating. The Viega wrench is a worthwhile accessory.
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