KD Navien® NHB-055 Condensing Thermal Efficiency Gas Hot Water Boiler, Liquid Propane/Natural Gas Gas, 44 MBtu/hr Net IBR, 8000 to 55000 Btu/hr Input, Forced Draft Direct Vent, 3/4 in FNPT Connection, Electronic Ignition

KD Navien® NHB-55H Hot Water Condensing High-Efficiency Gas Boiler, Liquid Propane/Natural Gas Fuel, 8000 to 55000 Btu/hr Input, Forced Draft Direct Vent, Cold Rolled Carbon Steel Housing, 3/4 in NPT, Electronic Ignition

KD Navien® NHB-80H Hot Water Condensing High-Efficiency Gas Boiler, Liquid Propane/Natural Gas Fuel, 8000 to 80000 Btu/hr Input, Forced Draft Direct Vent, Cold Rolled Carbon Steel Housing, 3/4 in NPT, Electronic Ignition

KD Navien® NPE-150S NPE-S Tankless Gas Water Heater, Liquid Propane/Natural Gas Fuel, 120000 Btu/hr Heating, Condensing, 0.5 gpm Flow Rate, Forced Draft Direct Vent, 2 in, 3 in Vent, 0.96, Commercial/Residential

KD Navien® NPE-180A NPE-A Tankless Water Heater, Liquid Propane/Natural Gas Fuel, 150000 Btu/hr Heating, Indoor/Outdoor: Indoor/Outdoor, Condensing, 8.4 gpm Flow Rate, Forced Draft Direct Vent, 2 in, 3 in Vent, 0.96, Commercial/Residential

KD Navien® NPE-180S Tankless Gas Water Heater, Liquid Propane/Natural Gas Fuel, 150000 Btu/hr Heating, Condensing, 8.4 gpm Flow Rate, Forced Draft Direct Vent, 2 in, 3 in Vent, 0.97, Commercial/Residential

KD Navien® NPE-210A NPE-A Tankless Gas Water Heater, Liquid Propane/Natural Gas Fuel, 180000 Btu/hr Heating, Condensing, 0.5 gpm Flow Rate, Forced Draft Direct Vent, 2 in, 3 in Vent, 0.96, Commercial/Residential

KD Navien® NPE-210S Tankless Gas Water Heater, Liquid Propane/Natural Gas Fuel, 180000 Btu/hr Heating, Condensing, 10.1 gpm Flow Rate, Forced Draft Direct Vent, 2 in, 3 in Vent, 0.97, Commercial/Residential

KD Navien® NPE-240A NPE-A Tankless Water Heater, Liquid Propane/Natural Gas Fuel, 199900 Btu/hr Heating, Indoor/Outdoor: Indoor/Outdoor, Condensing, 11.2 gpm Flow Rate, Forced Draft Direct Vent, 2 in, 3 in Vent, 0.96, Commercial/Residential

KD Navien® NPE-240S Tankless Gas Water Heater, Liquid Propane/Natural Gas Fuel, 199900 Btu/hr Heating, Condensing, 11.2 gpm Flow Rate, Forced Draft Direct Vent, 2 in, 3 in Vent, 0.97, Commercial/Residential

Navien NPF700-060U3BH, Hydro Furnace Max HTG Input 60,000 BTU/h, Upflow, Residential, Available in NG or LP

Navien NPF700-100U5CH, Hydro Furnace Max HTG Input 10,000 BTU/h, Upflow, Residential, Available in NG or LP

FAN ASSEMBLY VX - KD Navien PAFB10041024, Fan Assembly

KD Navien® NaviLink™ Wi-fi Remote Controller, Import

KD Navien® Pump Controller, 2-Zone, Import

KD Navien® Pump Controller, 4-Zone, Import

KD Navien® Thermistor, For Use With: CR/CC Series Condensing Tankless Water Heater and NR/NP Series Condensing Tankless Gas Water Heater, Black, Import

KD Navien® HotButton™ On-Demand Control Kit, Import

HOTBUTTON KIT

ORING VX - KD Navien 20017207A O-Ring, P4 E7518

KD Navien® Fuse, For Use With: NHB-55 Series Condensing Gas Boiler, 125 VAC, 5 A, Import

TUBE short - KD Navien 20006699A Tube, For Use With NHB-55 Series Condensing Gas Boiler and NR/NP Series Condensing Gas Tankless Water Heater, Chlorosulfonated Polyethylene, Black, Import

ORING 19.8X2.41 GAS - KD Navien 20006934A O-Ring, 2.4 in ID x 19.8 in OD Dia, Import

KD Navien® O-Ring, For Use With: Waterway Assembly, 17-1/2 in Dia x 2.7 in THK, Black, Import

KD Navien® 20006948A O-Ring, 2.7 in ID x 15.8 in OD Dia, Import