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It's Just That Easy!

OH Lic #27744

AO Smith ProLine 6 or 10 Year Warranty

6 Year Tank & Parts Warranty $1,727.08

10 Year Tank & Parts Warranty $2,063.52

1 Year Service Labor Warranty / Installation Included

Model GCR-40L 410
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Diameter 20 Height 61 3/4 (Top of Vent)
AO Smith Professional Series
Instant EstimateSchedule Online
40 Gallon
Tall
Natural Gas
40,000 BTU
Water Heater
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12 Months Fiancing Available (Click To Apply)

Product Details

  • Delivers 80-gallon first hour rating

  • 40,000 BTU input atmospheric vent design delivers up to 0.64 Uniform Energy Factor

  • Includes side mounted recirculation taps for easy installation with combination space heating/potable water heating applications

  • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements

  • Push-button piezo ignitor makes lighting pilot fast & easy

  • Intelligent electronic gas control provides precise temperature control and LED status indicator

  • Patented Blue Diamond® glass tank lining protects against corrosion

  • DynaClean™ automatic cleaning system protects against sediment build-up

  • Stainless steel CoreGard™ anode rod protects against corrosion longer than ordinary anodes

  • 6-year limited tank and parts warranty


  • The ProLine® 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value. Featuring a 40-gallon (nominal) tank and the GCR-40L Standard Vent delivers a first hour rating of 80 gallons and a recovery rate of 42 gallons per hour. It carries a 6-year limited tank warranty, and meets Low NOx emission requirements. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine® water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel CoreGard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.


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