Overview of Primary Product

Radiant Ready 30E Installation Guide
9
Section 5
Piping Connections
Note: If your jurisdiction code requires a hard-
plumb port, see the Hard-plumb Port instructions
in Section 11: Customization Options.
Tubing Types
For radiant installations, the tubing must be one
of the following.
• Crosslinked polyethylene (PEX) tubing with an
oxygen barrier that meets or exceeds DIN 4726
(such as Wirsbo hePEX™) in sizes
5
⁄16",
3
⁄8",
½",
5
⁄8" or ¾"
• Multi-layer Composite (MLC) tubing (PEX-AL-PEX)
in sizes ½" or
5
⁄8"
Fitting Types
Connect the radiant tubing via one of the
following options.
• For PEX tubing connections, use either
º
ProPEX® expansion (for
3
⁄8", ½",
5
⁄8" and ¾") or
º
QS20 compression (for
5
⁄16",
3
⁄8", ½" and
5
⁄8")
• For MLC (PEX-AL-PEX) tubing connections,
use either
º
MLC press (for ½" and
5
⁄8") or
º
MLC compression (for ½" and
5
⁄8")
Refer to the image below for an example of the
four fitting options.
EP Heating Manifold,
4 loops (A2670401)
QS-style Compression Fitting Assemblies
(
5
⁄16" A4020313,
3
⁄4" A4020375,
1
⁄2" A4020500,
5
⁄8" A4020625)
MLC Tubing Compression Fitting Assemblies
(
1
⁄2" D4120500,
5
⁄8" D4120625)
ProPEX Fitting Assemblies
(
3
⁄8" Q4020375,
1
⁄2" Q4020500,
5
⁄8" Q4020625,
3
⁄4" Q4020750)
MLC Press Fitting Assemblies
(
1
⁄2" D4020500,
5
⁄8" D4020625)
Figure 5-1: Engineered Plastic (EP) Heating Manifold Fitting Types