Navien Nr-180a Condensing Tankless Water Heater with Pump and Buffer Tank, Propane Gas

Description

Features: -Ultra Condensing Efficiency; -Tankless Heater Extended Life cycle; -Endless Hot Water Supply; -Easy installation and PVC venting; -Environmentally Green-Friendly; Specifications: Fuel Type: Liquid Propane; Vent Type: Direct; GPM: 7.0 GPM @ 45 Degree Rise, 4.0 GPM @ 77 Degree Rise; Storage Type: Tankless; Coils Quantity: 1; Installation Location: Indoor; Maximum Output Capacity (BTU): 155,000; Minimum Output Capacity (BTU): 17,000; Energy Factor: 0.91; Minimum Flow Rate (GPM): 0; Voltage (Volts): 120; Phase: 1; Frequency (Hertz): 60; Primary Vent Pipe Diameter (Inches): 3; Ignition: Electronic Ignition; Connection Sizes: 3/4 NP for Cold Water Inlet, Hot Water Inlet and Gas Inlet; Water Pressure (min-max): 15 - 150 PSI; Power Supply: 120VAC, 60Hz 200W (max 2A); Primary and Condensing Heat Exchanger Material: Stainless Steel; Gas Connection Size (Inches): 3/4; Cold Water Inlet (Inches): 3/4; Hot Water Outlet (Inches): 3/4; Product Height (Inches): 28; Product Width (Inches): 17; Product Depth (Inches): 12; Product Weight (Pounds): 86; Parts Warranty (Years): 5; Heat Exchanger Warranty (Years): 15;