A. O. Smith's ProLine 401 Series gas water heaters deliver an economical performance suitable for large homes, restaurants and gyms compared to electrical heaters.

GCR-30 features a 30-gallon nominal capacity and a 32,000 BTU propane burner, delivering a first hour rating of 69 gallons and a recovery rate of 37 gallons per hour.







Why Choose Our Product



    The internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response to optimize performance.

    The electronic gas control incorporates an LED status indicator that monitors system operation and service diagnostics.

  • Green Choice Gas Burner

    Eco-friendly burner design complies with Low-NOx emission requirements

  • Dynaclean Diffuser Dip Tube

    Reduces lime and sediment buildup

  • Coregard Anode Rod

    Anode rod with stainless steel core provides superior tank protection

  • Push-button Piezo Ignitor

    Push-button spark ignition for easier and faster lighting

  • Factory-installed Nipples

    For faster installation

  • Blue Diamond Glass Coating

    Commercial-grade glass coating provides superior corrosion resistance

  • Enhanced-flow Brass Drain Valve

    Solid brass, tamper resistant, ball type drain valve designed for easy operation

  • CSA Certified and ASME Rated T&P Relief Valve

    Temperature and pressure relief valve protects the tank against excessive temperature and pressure

  • High Uniform Energy Factor

    Eco-friendly non-CFC foam insulation, external heat traps, and specially designed combustion chamber for operating cost savings

  • Code Compliance

    Meets UBC, CEC, and ICC National Code.

    Meets the thermal efficiency and standby loss requirements of the U.S. Department of Energy and current edition of ASHRAE/IES 90.1

    UL Listed according to ANSI Z21.10.1 CSA 4.1 standards governing storage tank-type gas water heaters

    Certified at 300 psi test pressure and 150 psi working pressure


Nominal Capacity 30 gal (113.4 L)
Rated Storage Volume 29 gal (109.7 L)
UEF 0.60
First Hour Rating 69 gal
Input (BTU/hr) 32,000
Recovery @ 90°F Rise 37 gal per hour
Ignition Mode Piezo-ignited
Dimensions (Height x Diameter) 61.5" x 18"
Weight 132 lbs
Water Connections 3/4" NPT
User Manual and Leaflets