• Caleffi 3/8 inch PEX 11 Port Manifold Set with Sight Flow - 6686M5S1A

    - Pre-Assembled - Includes 3/8 inch Pex Adapters

    Product ID • GR3886M5S1A0

  • $677.95
  • Normal Ground Shipping


Caleffi Radiant Heat PEX Manifold 6686M5S1A is for PEX (PEX-A, PEX-C or PEX-B) and are used for radiant floor heating. The Caleffi 11 Ports for 3/8 Inch PEX Tubing comes with PEX adapters and supply and return ball valves. Optional accessories such as Caleffi Actuators, Caleffi By-Pass Valves, temperature gauges and more are available.

Please note, these manifolds are only used for hydronic heating systems and only for PEX-A, PEX-C or PEX-B PEX Tubing.

Caleffi 11 Port Radiant Heat PEX Manifold Includes:

22 - 3/8 Inch PEX Adapters
2 - Supply and Return Ball Valves
2 - Hanging Brackets
2 - Air Eliminators
Also includes Flow Meters and is fully assembled

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Technical Specs

Caleffi 3/8 inch PEX 11 Ports Manifold Set with Sight Flow Pre-Assembled 6686M5S1A Techs and Specs

  • Ports
    11 Ports
  • Pex Size
    3/8 Inch PEX Tubing (ASTM/SDR) PEX-A, PEX-B or PEX-C
  • PEX Adapters included in all PEX Manifold Kits
  • Air vent ports & air vent (eliminator) include
  • Operating Temperature Max
    180 Degree F
  • Peak Temperature Max
    200 Degree F
  • Pressure Max
    150 PSI
  • Loop CV combined supply & return ports
  • Built in temperature gauges
  • Supply & return ball valves
    1 Inch NPT
  • Outlet center distance
    2 Inches
  • Manufactured
    Made in Italy

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