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6-branch Stainless Steel Radiant Manifold Set

6-branch Stainless Steel Radiant Heat Manifold Set w/ 1/2" PEX adapters

Brand: Rifeng

Mfr Part#: SSM106

Availability: In Stock
Usually ships: within 1 business day
Qty Price
$174.95 / each & Free Shipping
  • Description
  • Reviews (6)
  • FAQs (5)

1/2" PEX adapters are included by default. For other size adapters (free upgrade) make a note at checkout.


6-branch, Premium Radiant Heat Manifold Set with 1/2" PEX adapters (Supply and Return pair).

Pre-assembled, pressure tested and comes with everything shown on the picture, including 1/2" PEX manifold adapters.


SSM106 set is typical for radiant floor heating applications in areas with a total of 1350 - 1650 sq. ft of space, when used together with 1/2" PEX tubing (installed 9 - 12" on centers).


Complete list of components:

(1) Supply side radiant heat manifold with (6) flow meters and (6) PEX tubing outlets - lower manifold w/ red shut-off valve.

Flow meters allow to monitor the flow of water in GPM (Gallons Per Minute) through every manifold's branch.


(1) Return side radiant heat manifold with (6) manual balancing valves and (6) PEX tubing outlets - upper manifold w/ blue shut-off valve.

Manual balancing valves allow to balance the radiant heating system and are used to regulate the flow of water through manifold's branches.


(2) 1" NPT isolation shut-off ball valves with 1/4-turn color coded handles and built-in replaceable thermometers (both F/C readings displayed).

Allow to service the system and monitor supply (incoming) and return (outgoing) water temperatures.


(1) Automatic air vent to eliminate air from the system.

Air vent are used to eliminate the air from the radiant heating system, prevent air traps and enhance overall performance.


(2) Drain/fill valves with 3/4" garden/drain hose connection and a cap.

Used to purge/fill the radiant heating system.


(2) Manifold mounting brackets with bolts.

Superior bracket design offsets the radiant heat manifolds from the wall and allows for easy access and fast installation.


(12) Compression-style adapters for 1/2" PEX tubing.



Radiant floor heating systems:

Reinforced Concrete Slabs (4 - 6") - garages, warehouse, storage and manufacturing facilities);

Non-Reinforced Gypsym or Thermal Mass Slabs / Thin Slabs (up to 1-1/4") - radiant heating floors in residential construction;

Staple-up Systems: stapled to the bottom of the subfloor between joists - with or without heat tranfer plates;

"Sandwich" Systems: installed between the subfloor and finished floor - with or without heat transfer plates.


Snow and ice melting systems:

Snow melting systems for driveways, walkways; roof deicing applications.

Other suggested components:

To pressure test the radiant heat manifolds, use a Pressure Testing Kit (SKU# TESTKIT).

Technical Specifications:

  • Total number of PEX outlets: 12 (6 on supply manifold and 6 on return);
  • Distance ON (On Center) between outlets: 2";
  • Overall height when installed: 14.5"
  • Overall width when installed (with shut-off valves): 18.75"
  • Distance between supply and return manifolds: 8.25" OC.
  • Compatible with all types and brands of PEX tubing (Bow, Viega, Watts, Zurn, Everhot, Nibco, etc.)
6-branch Stainless Steel Radiant Heat Manifold Set w/ 1/2" PEX adapters has an average 4.8 out of 5 rating based on 6 user reviews.
1 of 1 people found this review helpful.
Great product
By Dave28 (from Baden, PA) on 11/29/2011
For the price you can't beat this manifold, excellent craftsmanship, great price. I am very satisfied with my purchase.
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Awesome price,excellent quality
By Momchil, Lic Plumber (from Sacramento,CA) on 8/16/2016
So so so easy to work on it! All you need in one box. No job without it!
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High quality
By Verified Buyer on 5/10/2016
Just as described
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Excellent hardware
By Blue (from San Francisco) on 3/19/2016
This is a very classy piece of hardware: stainless parts, dual shut-off valves, metering and flow on each outlet, supply and return temp gauges, all union connections. Very nice engineering, and a terrific value.
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Easy to install, works wel
By Verified Buyer on 2/1/2016
I was first hesitant, but the price convinced me. It was easy to install, looks great, works great, everyone is happy.
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looks great, not in use yet
By Verified Buyer on 1/10/2016
Looks like it will work fine. Mounts on plywood to hang on wall
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How do I control the heat in each zone. Do I open the red or blue?
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1 of 1 people found this answer helpful.
The heat is controlled by adjusting the amount of hot water which flows through a specific branch. This is done via the balancing valve (white or blue depending on the manifold model) on the upper manifold which says "Return". Flow meter for the corresponding branch on the bottom "Supply" manifold indicates how much water passes through the branch. If you want to control each manifold branch automatically, you will need to install a manifold actuator (in place of a manual balancing valve), wire it to Taco ZVC module and then wire the thermostat to the corresponding zone in the module as shown in the ZVC manual.
Answered on 9/28/2017 by PexUniverse Customer Service
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What is the reason that the stainless and brass manifolds are not approved for potable water but the Grundfos stainless steel and bronze circulators are approved? I am wanting to use the manifolds in an open system using my home tankless hot water heater.
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1 of 1 people found this answer helpful.
Both SSM and BSM manifolds contain brass and poly parts which come in contact with water and which are not certified for potable water use. Circulator manufacturers obtain certifications and approvals by selecting the materials which meet the current standards (i.e. NSF/ANSI 61 and 372). Stainless steel itself (as in SSM of Grundfos pumps) can be used for potable water applications. It's the other manifold components which do not meet the drinking water standards.
Answered on 1/4/2016 by PexUniverse Customer Service
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Is additional hardware necessary to cap off an unused branch, or can the built in flow meter / flow valve sufficient?
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4 of 4 people found this answer helpful.
The flow meter, together with the manual balancing valve for corresponding manifold outlet, can cap off an unused outlet. However, we recommend that you get (2) spare caps (part# SSM407) and install them over the outlets for added peace of mind.
Answered on 3/27/2015 by PexUniverse Customer Service
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If I get the 6 branch manifold and wish to use 5/8" pex tubing, what adapters do I need to go to the pex tubing. Also it says to make a note at checkout that the adapters are a free upgrade. Is that true.
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3 of 3 people found this answer helpful.
You'll need the 5/8" PEX adapters for 5/8" PEX tubing and yes, the upgrade is free with your radiant manifold purchase. Simply make a note at the checkout that you need the adapters for 5/8" PEX (SSM558).
Answered on 4/15/2013 by PexUniverse Customer Service
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I bought one of these manifolds several months ago and am just getting my heating system up and running. Is the air eliminator built into the manifold sufficient, or is another air eliminator generally required?
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4 of 5 people found this answer helpful.
A separate air eliminator is required when PEX manifold is installed below the highest point in the system, since this is where the air tends to accumulate. Otherwise, the air eliminator is optional. To increase the lifespan of the system and it's efficiency, an air eliminator is recommended because air vents are designed to eliminate larger air bubbles, whereas air eliminators get rid of micro bubbles which are harmful for any cast iron parts in the system, including circulator pumps, boiler elements, etc. Both Spirovent and Taco 4900 series are good choices if you decide to use one.
Answered on 12/5/2012 by PexUniverse Customer Service
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