A.O. Smith GCVL-40 ProMax 40-Gallon Short Natural Gas Water Heater

IMPORTANT NOTE: This product was officially discontinued by the manufacturer on August 15, 2015.

The A.O. Smith ProMax Short 40-Gallon Residential Natural Gas Water Heater (GCVL-40) is an economical yet exceptional performer designed to deliver reliable hot water in a compact, space-saving footprint. Equipped with advanced C3 technology and a patented eco-friendly burner, this model provides highly efficient hot water output while significantly reducing emissions and maintaining long-lasting durability.

• Model Number: GCVL-40
• Capacity: 40 Gallons (Short Configuration)
• Fuel Type: Natural Gas
• Dimensions: 51.5" Height x 20" Diameter
• Burner Technology: Patented "Green Choice" gas burner reduces NOx emissions by up to 33%, fully complying with Southern California and Texas requirements
• Ignition: Push-button Piezo ignitor makes lighting the pilot fast and easy with one-handed spark ignition
• Tank Protection: Features a Coregard magnesium anode rod and Permaglas glass coating to protect the solid steel tank from rust and corrosion
• Sediment Reduction: Dynaclean PEX cross-linked polymer diffuser dip tube minimizes lime and sediment buildup to maximize hot water output
• Valves & Fittings: Includes external heat trap nipples, a durable, tamper-resistant brass drain valve, and a top-mounted, CSA-certified, ASME-rated T&P relief valve
• Warranty: Originally backed by a 6-Year Tank and 6-Year Parts Limited Warranty

Most in-stock items ship within 1–3 business days. Once shipped, you will receive a confirmation email with tracking. Special-order items or items shipped from partner warehouses may require additional processing time. Orders ship via UPS or USPS depending on the item and destination. If you need a specific carrier, please contact us before placing your order.