50 Gal. Short Power Vent Water Heater, Residential, Gas, 36,000 BTU

Rheem Professional Classic 50-Gallon Power Vent Water Heater – 36,000 BTU, Natural Gas

The Rheem PROG50S-36N-RH67-PV is a 50-gallon natural gas water heater from the Professional Classic Series, equipped with an integrated power venting system. With a burner input of 36,000 BTU/hr and a recovery rate of 36.4 gallons per hour at a 90°F temperature rise, it is suitable for mid-size residential hot water loads.

This unit is engineered for efficiency, serviceability, and installation flexibility. The power vent design accommodates extended vent lengths—up to 100 equivalent feet using 2" or 3" PVC, CPVC, or ABS pipe—making it suitable for installations without access to a vertical flue.

Technical Specifications

• Capacity: 50 gallons nominal
• BTU Input: 36,000 BTU/hr
• Recovery Rate: 36.4 GPH @ 90°F rise
• Uniform Energy Factor (UEF): 0.67
• Fuel Source: Natural Gas
• Venting: Power Vent – up to 100 equivalent feet with 2"/3" PVC, ABS, or CPVC
• Electrical: 120V, 60 Hz required for blower motor
• Water Connections: 3/4" NPT, top-mounted
• Tank Construction: Glass-lined steel with magnesium anode rod
• Overall Dimensions: 66-3/8" height × 21-3/4" diameter
• Limited Warranty: 6 years (tank and parts)

System Features

• Integrated Self-Diagnostic Control: Electronic gas control with LED status indicator simplifies service and troubleshooting
• Low-NOx Burner: Compliant with emissions regulations in applicable jurisdictions
• Overheat Protection: Factory-installed temperature and pressure relief valve included
• Condensate Management: Equipped for condensate drainage as required by power vent configuration
• Corrosion Resistance: Fused glass-lining and anode protection extend tank life in typical potable water conditions

Installation Considerations

This model requires 120V electrical supply for blower operation and is intended for indoor installation only. Installers must verify venting configuration and proper slope per local code. Intake and exhaust terminations must meet clearances and elevation requirements outlined in the installation manual. Proper condensate management and gas line sizing should be confirmed during site evaluation.

Contractor Insights

The PROG50S-36N-RH67-PV offers an efficient, code-compliant solution for replacement and new residential construction where horizontal venting is required. The electronic control interface and venting flexibility simplify service and system layout. With a moderate BTU input, it balances capacity and efficiency in typical three-to-four-person households.