Noritz NR501-OD-NG 120,000 BTU Outdoor Residential Tankless Water Heater (Natural Gas)

Noritz NR501-OD-NG 120,000 BTU Outdoor Residential Tankless Water Heater (Natural Gas)

The Noritz NR501-OD-NG is a reliable outdoor tankless water heater designed for residential use, offering hot water on demand with high efficiency and a compact, durable design. With up to 120,000 BTU and a flow rate up to 5.0 GPM, it’s ideal for single-family homes, apartments, condos, and secondary buildings.

Key Features

• 120,000 BTU/hr capacity — delivers continuous hot water for typical residential needs. :contentReference[oaicite:0]{index=0}
• Outdoor installation — no venting required, perfect for garages, exterior walls, or outdoor setups. :contentReference[oaicite:1]{index=1}
• High efficiency — UEF around 0.81 and thermal efficiency ~84%, saving energy and costs. :contentReference[oaicite:2]{index=2}
• Compact and lightweight — wall-hung design for easy placement and minimal space usage. :contentReference[oaicite:3]{index=3}
• Flow range of 0.5–5.0 GPM — reliable performance for showers, sinks, dishwashers, and more. :contentReference[oaicite:4]{index=4}
• Outdoor durability — rugged steel casing with polyester coating for all-weather performance. :contentReference[oaicite:5]{index=5}
• Simple ignition — direct electronic ignition eliminates standing pilot lights. :contentReference[oaicite:6]{index=6}
• Temperature settings — adjustable between about 115°F–140°F. :contentReference[oaicite:7]{index=7}

Ideal Applications

• Single-family homes
• Apartments and condominiums
• Secondary living spaces
• Garages and accessory buildings
• Vacation homes and cabins

Technical Specifications

• Model: Noritz NR501-OD-NG
• Fuel Type: Natural Gas
• BTU Input: Up to 120,000 BTU/hr
• Flow Range: 0.5 to 5.0 GPM
• Thermal Efficiency: Approx. 84%
• UEF: ~0.81
• Installation: Outdoor (no venting required)
• Ignition: Direct electronic ignition
• Water Connection: 3/4"
• Gas Connection: 1/2"
• Dimensions: ~20.5" H × 13.8" W × 6.7" D
• Weight: ~32 lbs
• Warranty: 12-year limited heat exchanger, 5-year parts, 1-year labor (typical residential)

Why Buy From United Plumbing & Fire Supply?

• Competitive pricing on Noritz tankless heaters
• Fast and reliable delivery
• Expert product support
• High-quality residential equipment

Always verify installation requirements with a licensed professional. Outdoor installations must conform to local codes.