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KD Navien® 20006868A Heat Exchanger In/Out Packing

KD Navien® 20006868A Heat Exchanger In/Out Packing, 2.4 in ID x 26.5 in OD Dia, For Use With: NHB-55 Series Condensing Gas Boiler, CC/CR Series Tankless Water Heater, CH/CH-ASME Series Condensing Gas Combination Boiler, NCB Series Condensing Gas Combination Boiler and NHB Series Condensing Gas Boiler, Silicon Rubber, Import
