Home PEX Supplies Radiant Heating PEX-AL-PEX Tubing

PEX-AL-PEX Tubing

Standards: ASTM F1281, CSA B137.10
Complies with Lead-Free requirements of the SDWA effective January 1st, 2014.
Certifications: NSF-pw (potable water applications), pw-G (meets low lead requirements for all of the USA) ; cl-TD (chlorine resistance for Traditional Domestic applications).
UPC Listed
Pressure rated 200psi @ 73F, 160psi @ 140F
Warrantied by the manufacturer.

Compatible with compression type PEX fittings and Press type connection system.

FREE SHIPPING ON ALL PEX-AL-PEX (Contiguous US Only).

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Product Description SKU Qty Unit Price
1/2" x 300ft PEX-AL-PEX Tubing

Free shipping

Everhot
APX1230
x1
$108.95 / each
x4
$419.80 / skid
($104.95 / each)
1/2" x 500ft PEX-AL-PEX Tubing

Free shipping

Everhot
APX1250
x1
$173.95 / each
x4
$687.80 / skid
($171.95 / each)
1/2" x 1000ft PEX-AL-PEX Tubing

Free shipping

Everhot
APX1210
x1
$332.95 / each
x3
$959.85 / skid
($319.95 / each)
3/4" x 300ft PEX-AL-PEX Tubing

Free shipping

Everhot
APX3430
x1
$258.95 / each
1" x 300ft PEX-AL-PEX Tubing

Free shipping

Everhot
APX1030
x1
$346.95 / each
PEX-AL-PEX Reamer for 1/2", 3/4", 1" PEX-AL-PEX Tubing

Everhot
PXT3511
x1
$9.95 / each
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About PEX-AL-PEX

PEX-AL-PEX tubing is a composite type tubing comprised of 3 layers (PEX, Aluminum and PEX) bonded together. Since aluminum is impermeable to oxygen, it acts as an effective oxygen diffusion barrier and eliminates the need for an additional EVOH layer (as in barrier PEX), making it suitable for hydronic and radiant heating applications, including warm floors, baseboard/radiator systems, snow melt systems and others.

PEX-AL-PEX vs. Oxygen Barrier PEX

Among the notable advantages of PEX-AL-PEX is it's "memory" property which allows this tubing to retain its' shape when bent. In comparison, oxygen barrier PEX tubing will always try to return to its' original coiled shape unless properly secured.
Due to presence of an internal aluminum layer, PEX Aluminum PEX is less pliable (harder to bend) then PEX with oxygen barrier, but is also stronger, has higher pressure ratings and is more resistant to kinking.
While aluminum layer makes the pipe more rigid, it also contributes to lower expansion/contraction of the pipe, making it much quieter then oxygen barrier PEX in under-the-subfloor PEX installation.
Another type of radiant heat tubing is Oxygen Barrier PEX.

Seam-welded vs. Overlap-welded

Since aluminum layer is not a seamless pipe, but rather a strip of metal formed into a round pipe, PEX-AL-PEX is categorized into seam-welded and overlap welded. The former refers to welding of the two edges of the strip together (creating a "seam") while later refers to welding a small portion of the strip over the other strip (creating an "overlap"). Overlap method is known to be more structurally stable and reliable and is the method used for manufacturing of Everhot PEX-AL-PEX piping.

Applications:

Everhot PEX-AL-PEX pipe can be used in both closed and open type heating systems, including radiant heated floors, hot water baseboards, boiler's main lines, fan coils and others.
It is also compliant with lead-free requirements and can be used for hot and cold domestic water applications.

Compatibility:

Everhot PEX-AL-PEX pipe may act as a direct replacement for many other brands, including Mr. PEX, Watts (Radiant PEX-AL), Wirsbo (MultiCor) and is compatible with the connection systems from these manufacturers, including PEX Press method and compression type fittings.

Related Documents:
Types of PEX tubing installations.
PEX tubing radiant heating design and layout.
Using PEX tubing in a snow melting system.
PEX tubing in a multipurpose NFPA 13D Fire Sprinkler System
PEX: myths and facts
Outdoor wooden furnaces with insulated PEX
Using geothermal heat pump for a floor radiant heating system
Use of anti-freeze in PEX-AL-PEX
Is aluminum PEX recyclable?
How safe is PEX-AL-PEX?
PEX tubing installation accessories

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