• Caleffi 3/4 inch PEX 9 Port Manifold Set with Sight Flow - - - 6686I5S1A

    - Pre-Assembled - Includes 3/4 inch Pex Adapters

    Product ID • GR3486I5S1A0

  • $559.75
  • Normal Ground Shipping


Caleffi Radiant Heat PEX Manifolds are for PEX (PEX-A, PEX-C or PEX-B) and are used for radiant floor heating. The Caleffi 9 Port Heating Manifold for 3/4 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. Used in infloor heating and underfloor heating as well as hydronic radiators with actuators.  Check the size of the in/out connection of the radiator before picking this 3/4 Inch manifold - most of our radiators use 1/2 inch.

Caleffi 9 Port Radiant Heat PEX Manifold Includes:

18 - 3/4 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 3/4 inch PEX 9 Port Manifold Set with Sight Flow Pre-Assembled 6686I5S1A Techs and Specs

  • Ports
    9 Ports
  • Pex Size
    3/4 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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