Description
Navien Back-Up Ring (?18.5??21.6?2.5T) 20018744B / 20018744A
BACKUP-RING; PA66/GF3 0% 18.2X21.8X2.5t 20007831A BH2507308A C3771 BE o 21.6* o 18.4 (30/4 0KD)
Navien 20018744B PA66 Back-Up Ring For CC, CH, CR, NCB, NP, NPE, NR Water Heater and Boilers, 18.5mm ID x 21.6mm OD x 2.5mm T
PA66, ?18.5??21.6?2.5t For ALL Models
CC
CC180
CC-180
CC-210
CC210
CC-240
CC240
CH
CH180
CH180-ASME
CH180ASME
CH-180
CH210
CH210-ASME
CH2100ASME
CH-210
CH240
CH240-ASME
CH240 ASME
CH-240
CR
CR180
CR-180
CR180A
CR-180A
CR210
CR-210
CR210A
CR-210A
CR240
CR240A
CR-240
CR-240A
NCB
NCB180
NCB180-ASME
NCB180ASME
NCB-180
NCB210
NCB210-ASME
NCB210ASME
NCB-210
NCB240
NCB240-ASME
NCB240ASME
NCB-240
NP
NP180
NP240
NP240A
NP-240
NP-240A
NPE
NPE180
NPE-180
NPE180A
NPE-180A
NPE-180S
NPE-210
NPE210-A
NPE-210A
NPE210A
NPE210S
NPE-210S
NPE-240
NPE240
NPE240S
NPE-240S
NR
NR180
NR-180
NR180A
NR-180A
NR210
NR-210
NR210A
NR-210A
NR240
NR240A
NR-240
NR-240A
Item #: 20018744B
Manufacturer: NAVIEN
Manufacturer’s Product Number: 20018744B NAV20018744B
