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5/8″ Pex Slab Manifold


These manifolds are built to accept the 5/8″ Pex tubing.

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Used for placing heating tubes within a concrete slab.

This manifold is designed to sit on top of the insulation, wire mesh or rebar before you pour the concrete. Once the tubing is installed, you will put the faceplate back on the box and simply pour the concrete around the manifold box. We have designed the manifold this way so that the tubing doesn’t have to come up out of the concrete where it is often damaged and exposed to UV rays which over time are harmful to Pex tubing.

Comes with:
A 10-piece plywood box to:

  • Keep the concrete away from the copper
  • Protect everything during construction
  • Maintain access to the fittings.

Pressure testing equipment including: pressure gauge, air stem (tire type), air vent, and adaptor fittings from plastic tubing to copper. The box is taken apart and discarded after construction, leaving the manifold in a “manifold well.” Individual shut off valves are included on both sides of each circuit.

Manufactured by Radiantec out of copper with brass fittings. These manifolds go through an extensive testing procedure (12 hours @ 100 psi) to make sure they arrive at your door in perfect working order.

Assembled with compression fittings so this manifold is ready to go and no special tools are required!


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