Navien NHB Series Primary Manifold Kit, GFFM-MSOZUS-001


Weight: 9.00 lbs

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Reduce your boiler installation time and cost with this Navien-made manifold

Forget about taking the time and effort to fabricate a custom manifold. Buy this and you're done. This primary manifold ships from the manufacturer already assembled for easy and fast installation.


≈ Perfect for radiant space and hydronic heating applications
≈ Specially designed for the Navien NHB Series wall-hung boiler models NHB-055, NHB-080, NHB-110, and NHB-150
≈ Install the supply and return connections directly onto the fittings located at the bottom of the NHB boiler.
≈ Shut-off isolation valves are included to make servicing easier
≈ Stub-out connections are included for residential hot water, boiler and indirect water heater installations


♦ 1" female NPT dielectric unions for the supply and return to boiler
♦ 1.5" sweat-type connections for the supply and return heating piping
♦ 1" flange-type connections can be used with boiler pumps
♦ Material: copper tube
♦ Two 1" stub-outs for direct connection with an indirect hot water tank
♦ Two quarter-inch service and drain ports
♦ Half-inch and three-quarter-inch ports can be used for other system accessories
♦ Product weight: 10.5 lbs (4.8 kg)


Spec sheet and installation example

The NAVIEN and KD NAVIEN, and ComfortFlow trademarks are the property of Navien America, Inc. and/or KyungDong Navien.

Alternate model number spelling: GFFMMSOZUS001

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Jul 28, 2016
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