The NaviClean™ is designed to work with Navien NCB-E, NHB and NFB Series boilers. It is best suited for heating systems with 1" to 1-1/4" copper or black iron pipes. It features a permanent magnet mounted inside the glass reinforced nylon housing.• Powerful permanent magnet for removing higher levels of iron oxide, sludge and debris• Inlet and outlet ports for rapid in-line installation• Tool-free valve connection designed to prevent cross threading• Large canister and full flow valves resulting in minimal pressure drop and unrestricted flow• Low profile drain valve making installation and service easier• 360º rotation allowing flexibility of installation• High performance seals providing higher protection against leaksHomeowner benefits• Long-term system protection extends life of the heating system and results in improved system efficiency• Simple design and easy to service minimizes maintenance costs• Lifetime magnet lifecycle reduces operating costs• Minimal effect on boiler pressure• Up to 95% capture rate on first passWhat’s in the box• NaviClean filter• 2 1-1/4" NPT adapters• 2 isolation valves• 2 valve clips• Lid wrench• Valve wrench• Installation, operation and service manual