Free Shipping on Orders Over $200*
  • Caleffi 3/8 inch PEX 9 Port Manifold Set with Sight Flow - 6686I5S1A-38

    - Pre-Assembled - Includes Temp Gauges and 3/8 inch Pex Adapters

    Product ID • GR3886I5S1A0

  • $649.75
  • Quantity:
  • Free Ground Shipping


Caleffi Radiant Heat PEX Manifold 6686I5S1A-38 is for PEX (PEX-A, PEX-C or PEX-B) and are used for radiant floor heating. The Caleffi 9 Port for 3/8 Inch PEX Tubingcomes with PEX adapters, Temperature Gauges and supply and return ball valves. Optional accessories such as Caleffi Actuators, Caleffi By-Pass Valves 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 9 Port Radiant Heat PEX Manifold Includes:

18 - 3/8 Inch PEX Adapters
2 - Supply and Return Ball Valves
2 - Hanging Brackets
2 - Air Eliminators
Also includes Flow Meters, Temperature Gauges and is fully assembled


Return Policy | Shipping Policy

Manuals & Docs

Technical Specs

Caleffi 3/8 inch PEX 9 Port Manifold Set with Sight Flow Pre-Assembled 6686I5S1A-38 Techs and Specs

  • Ports
    9 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

Info & Links