Navien PeakFlowE Hard Water Anti‑Scale System, GXXX001725
Suitable for most brands of condensing propane or natural gas heaters (not only Navien).
• This is the current, second version of the PeakFlowE
• Now 10 inches shorter than the first version of PeakFlowE. Yet it has the same performance.
• Installs on the DHW cold supply.
• For use with one heater in residential installations.
PeakFlowE Replacement Media Cartridge part number for the 9.625" version, NOT the 19.875" version: GXXX001726
NPE-S tankless water heater series including NPE-180S, NPE-210S, NPE-240S
NPE-A tankless water heater series including NPE-180A, NPE-210A, NPE-240A
NCB and NCB-E Combi-Boiler series including NCB-150, NCB-180, NCB-210 and NCB-240; NCB-150E, NCB-180E, NCB-210E and NCB-240E
NFC Fire Tube Combi-boilers (NFC-175, NFC-200)
NHB Heating Boilers including NHB-55, NHB-80, NHB-110 and NHB-150
NR series including NR-180, NR-210 and NR-240; NR-180A, NR-210A and NR-240A
NP series NP-180A, NP-210A, NP-240A
CH-ASME Combi-Boiler series including CH-180-ASME, CH-210-ASME and CH-240-ASME
Any other tankless water heater by brands such as Noritz, Marey, Takagi, AO Smith, State, Reliance, Bosch, Eccotemp, Paloma, Rinnai, Rheem, etc.
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