40 Gal. Short Water Heater, Residential, Gas, 40,000 BTU

Product Overview

The Rheem PRO+G40S-40N-RH62 Professional Plus Short Atmospheric Gas Water Heater is a high-efficiency, NAECA-compliant unit designed for commercial and residential installations requiring a compact configuration. Constructed with heavy-duty components and engineered for consistent thermal performance, this 40-gallon, natural gas-fired model provides reliable hot water delivery with a reduced overall height suitable for space-limited mechanical rooms.

Technical Specifications

• Manufacturer: Rheem Manufacturing Company
• Model Number: PRO+G40S-40N-RH62
• Description: Professional Plus Short Atmospheric Gas Water Heater
• Reference Number: 1955160
• Fuel Type: Natural Gas
• Input Rating: 40,000 BTU/hr
• Tank Capacity: 40 U.S. gallons (nominal)
• Recovery Rate: Approx. 41 GPH at 90°F rise
• Energy Efficiency: NAECA-compliant; designed to meet or exceed federal energy standards
• Tank Design: Glass-lined steel tank with anode protection for corrosion resistance
• Venting Type: Atmospheric, vertical venting
• Height: 54 in (overall)
• Diameter: 23 in
• Water Connection: 3/4 in NPT top connections
• Gas Connection: 1/2 in NPT
• Ignition System: Standard pilot ignition
• Pressure Relief Valve: Factory-installed
• Warranty: 8 years (tank and parts, limited)
• Compliance: Meets NAECA and UL performance and safety standards
• Application: Professional-grade replacement or new installation in confined mechanical spaces or retrofit environments

Summary

The Rheem PRO+G40S-40N-RH62 is a short-profile, 40-gallon atmospheric gas water heater engineered for professional-grade installations requiring compact dimensions and reliable hot water performance. With an input of 40,000 BTU/hr and compliance with NAECA efficiency standards, this unit delivers consistent operation and service longevity under standard building and mechanical specifications.