Check the listing for details. Rheem PROG40-36PRU67PV Residential Power Vent Tall Water Heater 40 Gal LP 36KBTU. Condition: New. Listed at 2000.00 USD. ITEM MAY DIFFER IN APPEARANCE THAN STOCK PICTURE USED ON LISTING Item is new - old stock, never opened or installed. We are not offering warranties for this product. Unit is guaranteed to work!Item may differ from stock picture. Thanks Rheem Classic Power Vent - Ultra Low Nox40 Gallons36,000 BTUPropane (LP) Efficiency • .64 - .69 UEF • ENERGY STAR® rated Performance • FHR: 67 - 84 gallons • Recovery: 32.4 to 42.4 GPH at a 90° F rise Self-Diagnostic System • Electronic gas control for improved monitoring and service Low Emissions • Eco-friendly burner, low NOx design Features • Uses indoor air for combustion; blower exhausts the flue gases • Standard 120 VAC electrical connection • New whisper quiet blower Guardian System™ & Sensor • Exclusive air/fuel shut-off device • Maintenance free – no filter to clean • Protective control system that disables the heater in the presence of flammable vapor accumulation Flexible Venting Options • Long venting lengths up to 100 equivalent feet • PVC, ABS, or CPVC vent pipe options • Vertical or horizontal termination Longer Life • Premium grade anode rod provides long-lasting tank protection High Altitude Compliant • Tall models certified for applications up to 7,700 ft. above sea level and short models up to 5,999 feet above sea level Plus… • Enhanced flow brass drain valve • Temperature and pressure relief valve included • Low lead compliant • Durable Silicon Nitride Ignitor (HSI) • EverKleen™ patented system fights sediment build-up • Standard replacement parts