30 Gal. Short Water Heater, Residential, Gas, 30,000 BTU

Rheem Professional Classic Series 30-Gallon Atmospheric Gas Water Heater – 30,000 BTU

The Rheem PROG30S-30N-RH63 is a 30-gallon, short-profile natural gas water heater designed for residential applications with space constraints or reduced vertical clearance. It features a 30,000 BTU input, delivering a recovery rate of 30.3 gallons per hour at a 90°F rise. Suitable for homes with low-to-moderate hot water demand, this model offers reliable performance and service-friendly features.

Constructed with a fused glass-lined steel tank and equipped with a magnesium anode rod, this unit is built for durability in typical potable water conditions. The model incorporates an electronic gas control system with diagnostic LEDs, push-button ignition, and a maintenance-free air intake system.

Technical Specifications

• Fuel Type: Natural Gas
• Nominal Capacity: 30 gallons
• BTU Input: 30,000 BTU/hr
• Recovery Rate: 30.3 gallons per hour at 90°F temperature rise
• Energy Factor: 0.63 (meets NAECA 2015 standards)
• Venting Type: Atmospheric vent (3" or 4" B-vent vertical configuration)
• Ignition System: Push-button pilot with hot surface igniter
• Water Connections: 3/4" NPT (top-mounted)
• Tank Protection: Glass-lined with anode rod
• Diameter: 19-3/4 inches
• Height: 49-7/8 inches
• Warranty: 6-year limited warranty on tank and parts

Installation and Application Notes

This unit is intended for indoor, atmospheric-vent installations where ceiling height is limited. Installation requires connection to a properly sloped and terminated B-vent system. No power is required. Installers should verify gas line sizing, combustion air availability, and compliance with all local codes and manufacturer requirements.

Contractor Considerations

The PROG30S-30N-RH63 is suited for use in small residential dwellings, apartments, or accessory units. It is especially useful in replacement scenarios where space constraints prohibit use of taller models. The integrated diagnostic system and maintenance-free combustion air intake reduce service time and long-term maintenance concerns.