Noritz® Tankless Condensing Water Heater, Series: NRC, NRC98 DV Model, 0.5 gal, 16000 to 180000 Btu/hr, 73, 213 W, 9.8 gpm, 0.9 Energy Factor, 3/4 in Vent, Direct Vent Vent, <4 A, 120 VAC, 60 Hz, 3/4 in Water Inlet, Hot Water Outlet and Gas Inlet, 1/2 in Condensate Drain, 15 to 150 psi, Wall Hung Mount, LP Gas, Direct Electronic Ignition, Steel, Polyester-Coated, Beige, Yes, -30 deg F Indoor Freeze Protection, 115 to 140 deg F (5 deg F Intervals) - Setting, 18.3 in W x 24.2 in H x 9.4 in D

• Compact design - ANSI Z21.10.3/CSA 4.3 certified design that can be wall-mounted indoors or outdoors
• Heat exchanger - manufactured with commercial-grade copper, 25% thicker piping than standard models
• Two identical units can be linked together by using the optional quick connect cord (#QC-2) for twice the hot water capacity quick-connect
• Temperature control - includes remote thermostat that can precisely adjust the output temperature from 115 - 140 deg F with the capability to display temperatures in both deg C and deg F
• Safety devices: flame sensor, overheat prevention device, lightning protection device, freeze protection, condensate overfill
• Less than 60 dB noise rating

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Noritz_GQ_C2857WS_FF_US_NG_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Noritz_GQ_C2857WS_FF_US_NG_Specification_Sheet.pdf