AO Smith GCV40

GCV-40 Residential Water Heater, Natural Gas, 40 Gallon, ProMax, Tall, 40,000 BTU

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AO Smith GCV40

AO Smith GCV-40 Residential Water Heater, Natural Gas, 40 Gallon, ProMax, Tall, 40,000 BTU
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AO Smith Products
Quick Specs:
Brand: AO Smith
Stock Id: SID255829
Type: Water Heaters
Fuel Type: Natural Gas
Width: 18"
Height: 61.75"
Technical Details
Weight: 138 lbs
Installation: Indoor
Commercial: Yes
BTU Input: 40000
Vent Size: 4",3"
Water Connection: 3/4"
Gallon capacity: 40

Delivering high efficiency... meeting high demand! The ProMax family offers a wide range of water heating solutions - from models that help you qualify for gas utility rebates to high recovery models ideal for large families with high demand for hot water. All ProMax water heaters are engineered to help lower your energy bills and provide exceptional reliability. They go the extra mile in safety innovation with C3 Technology that protects against accidental ignition of flammable vapors. Our ProMax SL "side loop" models are designed to handle both water heating and space heating in your home.


A.O. Smith GCV-40 Residential Water Heater, Natural Gas, 40 Gallon, ProMax, Tall, 40,000 BTU.


  • Dynaclean diffuser dip tube - helps reduce lime and sediment buildup, maximizes hot water output. Made from longlasting PEX cross-linked polymer
  • Green Choice gas burner - patented "Eco-Friendly" design reduces NOx emissions by up to 33% and complies with Southern California and Texas requirements
  • Coregard aluminum anode
  • Push-button Piezo ignitor - makes lighting pilot fast and easy with one-hand push-button spark ignition
  • Durable tamper-resistant brass drain valve
  • Permaglas glass coating -protects steel tank from rust
  • CSA certified and ASME rated T&P relief valve -top-mounted T&P relief valve
  • External heat trap nipples supplied on all models EXCEPT XCV-50/GCV-50
  • Equipped with C3 technology


  • Commercial: Yes
  • Installation: Indoor
  • Fuel Type: Natural Gas
  • Type: Water Heaters
  • Weight: 138 Lbs
  • Height: 61.75"
  • Width: 18"
  • Depth" 18"
  • Gallon capacity: 40
  • BTU Input: 40000
  • Vent size: 4",3"
  • Water Connection: 3/4"

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