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

All items for sale on are genuine and new, not used. The NAVIEN, KD NAVIEN, and NaviLink trademarks are the property of Navien America, Inc. and/or KyungDong Navien. Navien is not affiliated with and does not sponsor, endorse or warranty/support or products on this website.

Alternate model number spelling: GFFMMSOZUS001

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Jul 28, 2016
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