ProLine® 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater

Model GCR-40
4 out of 5 Customer Rating
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Capacity (Gallons)
Limited Tank Warranty
Height Classification
Advanced Options
Fuel Source
First Hour Rating
Maximum BTU's
Side Loop
Diameter
  • Delivers 80-gallon first hour rating
  • 36,000 BTU input atmospheric vent design delivers up to 0.64 Uniform Energy Factor
  • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
Product Details
  • Delivers 80-gallon first hour rating
  • 36,000 BTU input atmospheric vent design delivers up to 0.64 Uniform Energy Factor
  • 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
  • Commercial-grade brass drain valve for durable and easy operation
  • 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 a 40,000 BTU gas burner, the GCR-40 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 standard and are only available for purchase through professional wholesalers and contractors.

Specifications
Tech Specs
Nominal Gallon Capacity
40 Gallons
Rated Storage Volume
38 Gallons
UEF
0.64
Maximum BTUs
36,000
Power Source
GAS
Limited Tank Warranty
6 Years
Limited Parts Warranty
6 Years
T&P Relief Valve
TRUE
Water Connection Location
TOP
Water Connection Size
0.75"
First Hour Rating
80 Gallons
ASME Certified
No
Blanket Included
No
Destination Country
US
Flue Diameter
4.00
Fuel Source
PROPANE
Height to Gas Valve
13.00
Height to T&P
51.50
Ignition Type
Pilot with Piezo Igniter
Installation Type
INDOOR
Application
RESIDENTIAL
Product Tier
ProLine®
Shipping Height 
62.31
Shipping Length 
24.13
Shipping Width 
21.13
Side Loop
No
Dimension & Venting
Type
Water Heater
Height
58.25"
Diameter
20 in."
Shipping Weight
150lbs
Vent Type
Atmospheric Vent
Find a Replacement
Current Product
Option 2
ProLine® 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® XE Ultra-Low NOx Indoor 199,000 BTU Condensing Propane Tankless Water Heater
GCR-40
ATI-540H
Rebates up to $300 +
Rebates up to $300 +
Nominal Capacity
40 Gallons
Rated Storage Volume
38 Gallons
Diameter
20 in."
Width
17.75"
Depth
23.5"
11.25"
Height
58.25"
23.63"
Shipping Weight
150lbs
70lbs
Power Source
GAS
GAS
Limited Tank Warranty
6 Years
15 Years
Limited Parts Warranty
6 Years
5 Years
T&P Relief Valve
TRUE
Water Connection Location
TOP
BOTTOM
Water Connection Size
0.75"
First Hour Rating
80 Gallons
Thermal Efficiency
0%
0%
All Reviews for ProLine® Atmospheric Vent (250 series)
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