Cross-linked polyethylene (PEX) is a high-temperature, flexible, polymer pipe. Cross-linking technology was first developed in
Europe and has since come into use around the world for a variety of applications. PEX has a 30-year history of successful use in
the European market with extensive testing for durability and material performance. It was first introduced in North America in 1984
where it has been primarily used for radiant floor heating, and more recently, for domestic water distribution systems. It is approved
for potable hot and cold water supply systems in all model plumbing and mechanical codes across the United States including
California and Canada.
Why Plumb With PEX?
• Easy to Install - PEX tube is joined with an easy to install test “crimp” system; no solvent welding with messy chemicals, no chance
of fire hazard possibilities due to soldering
• Cost Effective - When installed using Manifolds fewer ttings are needed to install PEX; meaning you save money in material and
time. PEX tubing also costs less than copper tubing.
• Availability of Pipe Sizes - PEX piping is available in a wide range of diameters.
• Energy Efciency - PEX piping minimizes heat transmission through the pipe wall.
• Quiet - When installed using Manifolds, PEX can be run in long lengths with smoother bends, meaning less water line noise. PEX
also does not amplify sound as readily as copper tube.
• Water Conservation - Well designed PEX plumbing systems can reduce the wait time for hot water to reach the xture.
• Environmentally Sound - PEX is an inert material and does not contain volatile organic compounds (VOCs).
• Installation Flexibility - PEX systems can be installed in either a conventional “branch and tee” system or a manifold system. PEX is
also great for adding xtures off of your existing copper or CPVC system.
• Corrosion Resistant - Because of PEX’s smooth inner walls, minerals do not build up as fast as with copper tubing. It is also more
resistant to the harmful effects of abrasive chemicals such as chlorine.
• Freeze Resistant - While freezing conditions often cause copper and CPVC tube to break or burst, causing thousands of dollars in
water damage, PEX tube will expand several times its original size without damage. However, it is recommended that you follow all
codes regarding water line freeze prevention.
Running PEX Tubing
FASTENERSFITTINGS
• Extreme Temperature and Sunlight - Keep PEX tube away from extreme temperatures - 12” away from recessed lighting and 6”
away from gas vents. Also keep away from attics, crawl spaces, outside walls, or insulate per plumbing codes. Also keep out of
direct sunlight.
• Allow for Mistakes - Leave extra tubing at the beginning and end of runs to simplify connection to manifolds and end points.
Immediate connection to the manifold or transition fittings and then making the run reduces the chance of cutting tube to short.
• Identify tubing runs - Clearly and permanently mark each run at each end to identify the xture it supplies (hot or cold water,
bathroom sink, kitchen sink, basement toilet, etc). Do not apply adhesive labels to PEX pipe.
• Thermal Expansion - Because PEX tube expands and contracts at about 1” per 100’ of pipe for every 10 degrees change in
temperature you must allow for expansion and contraction in long runs. This can be accomplished with an offset or expansion loop.
• PEX and Concrete - Tubing installed within or under concrete slabs should be continuous lengths of PEX tube. No ttings beneath
concrete.
• Support the Fitting - To prevent stress on the crimp joints, always support the tube before and after the tting
• Minimum Bend Radius - Do not bend tube too tightly. The minimum recommended bend radius is six times the tube size (i.e. ½”
tube = 3” bend radius). When making a 90 degree turn, use bend supports
• No Metal hangers - Metal hangers can damage PEX tube, we recommend only plastic hangers be installed. To prevent noise
transfer, only use hangers that keep the tube off of the nailing surface. Hangers should be used every 32” on horizontal runs every
4’ on vertical runs. Allow the tube to dip between hangers and never over tighten.
• Tube Through Studs - Grommets should be used when running tube through studs to prevent tube damage and reduce noise
transfer. Tube that is run within 2” of a stub nailing surface must be protected with a metal stud guard.
Part Number Index.................................18-19
Warranty & Limitations of Liability...............19
TOOLS
FASTENERSFITTINGS
Oxygen Barrier PEX For Radiant Heating
Some applications require PEX with added oxygen barrier properties. Radiant oor heating (or hydronic heating systems) may include
some ferrous (iron-containing) components which will corrode over time if exposed to oxygen. Since standard PEX tubing allows some
oxygen to penetrate through the tube walls, “Oxygen Barrier PEX” tubing has been designed to prevent diffusion of oxygen into these
systems.
Oxygen barrier PEX has a layer of polymer laminated to the outside surface (or sandwiched internally between PEX layers). This extra
layer in your tubing will assure that no oxygen gets into your heating system. Radiant oor heating (or hydronic heating systems) may
include some ferrous (iron-containing) components which will corrode over time if exposed to oxygen. The oxygen barrier and rust
prevention allows you to use cast iron components in your system instead of all brass or bronze, which makes components like pumps
and flanges substantially less expensive and keeps them running smoothly for longer.
TUBINGMANIFOLDS
3
TOOLS
PEX TOOLS www.apolloflow.com
Part NumberDescriptionPack Quantity
PEX CRIMP TOOLS
PEX Multi-Head Crimp Tool Kit
69PTKH0015K
69PTKH0014CPEX 1/2" & 3/4" Combo Crimp Tool1
69PTKANG143PEX 1/2" Angle Crimp Tool1
69PTKH00143PEX 1/2" Crimp Tool1
Includes: Crimp Jaws 3/8", 1/2", 3/4", & 1",
GO / NO-GO Gauge, Adjustment Wrench
1
FASTENERSFITTINGS
MANIFOLDS
69PTKH00144PEX 3/4" Crimp Tool1
69PTKH00185PEX 1" Crimp Tool1
PEX PINCH CLAMP TOOLS
PEX One Hand Pinch Clamp Fastening
Tool
69PTBJ0010C
69PTKG1096
Fits Pinch Clamps - 3/8"-1", Ratcheting Action,
Full Auto-Release,
LED Light conrms full cinch
PEX Quick Pinch Clamp Tool
Fits Pinch Clamps - 3/8"-1"
1
5
TUBING
4
www.apolloflow.com PEX TOOLS
Part NumberDescriptionPack Quantity
PEX MISCELLANEOUS TOOLS
69PC02PZ
69PC03PZ
69PTKC001PEX Tube Cutter5
69PTKD0009
69PTKGONOGo/No-Go Gauge20
PLTL82
Cuts up to 1-1/4” plastic and vinyl tubing
Works on PEX Rings and Clamps 1/2"-1"
Ratcheting Pipe Cutter
Clamp Pipe Cutter
Cuts up to 3/4” Copper and plastic pipe
PEX Ring Removal Tool
Cuts in seconds, making tting reusable
1/2” Quikcut Tubing Cutter
Cuts 1/2” Copper, PEX, and CPVC pipe
12
12
5
10
TOOLS
PLTL83
PLTL60Quikcut Replacement Blades (2 Pack)50
3/4” Quikcut Tubing Cutter
Cuts 3/4” Copper, PEX, and CPVC pipe
10
FASTENERSFITTINGS
TUBINGMANIFOLDS
5
TOOLS
PEX FITTINGS www.apolloflow.com
Part NumberDescriptionPack Quantity
BRASS COUPLINGS
APXC38383/8" PEX Coupling5
APXC12121/2" PEX Coupling40
APXC121210PK1/2" PEX Coupling (10 Pack)5
APXC1250PK1/2” PEX Coupling (50 Pack)5
APXC34343/4" PEX Coupling25
APXC34345PK3/4" PEX Coupling (5 Pack)5
APXC3450PK3/4” PEX Coupling (50 Pack)5
APXC111" PEX Coupling5
APXC12381/2" X 3/8" PEX Coupling5
APXC12343/4" X 1/2" PEX Coupling15
APXC3411" X 3/4" PEX Coupling5
APXBC12121/2" Coupling Poly B x PEX20
FASTENERSFITTINGS
APXBC12125PK1/2” Coupling Poly B x PEX (5 Pack)10
APXBC34343/4" Coupling Poly B x PEX15
BRASS ELBOWS
APXE121/2" Crimp Elbow50
APXE121210PK1/2" Crimp Elbow (10 Pack)10
APXE1250PK1/2” Crimp Elbow (50 Pack)5
APXE12343/4" X 1/2" Crimp Elbow5
APXE34343/4" Crimp Elbow30
APXE34345PK3/4" Crimp Elbow (5 Pack)10
APXE3450PK3/4” Crimp Elbow (50 Pack)5
APXE111" Crimp Elbow5
APXDEE121/2" X 1/2" FPT Drop Elbow20
TUBINGMANIFOLDS
6
APXFAE12121/2" X 1/2" FPT Elbow Swivel10
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