How is the Rheem gas classic series professional water heater different from a similar model offered at Lowe’?

Lowes does not carry the Rheem water heater brand they carry AO Smith. There aren’t any major differences and choosing one or the other typically comes down to preference of the brand. Also, Rheem will typically be cheaper in cost compared to AO Smith, but the quality is the same.

Rheem Professional Classic 40 Gal Tall 38,000 BTU Natural Gas Water Heater with 6-Year Tank Warranty - Ultra Low NOx California Use Only

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Rheem

In stock

Model

PROG40-38U RH62 EC1-1

170193

$963.00

Product Features

Ultra Low NOx Burner: Meets strict low-emission standards.
EverKleen® System: Helps reduce sediment buildup for lasting performance.
Guardian System™: Built-in flammable vapor protection enhances safety.
Premium Anode Rod: Helps protect the tank from corrosion.
High Altitude Ready: Certified for elevations up to 10,000 feet.
6-Year Warranty: Backed by Rheem's residential tank and parts coverage.

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Description

The Rheem Professional Classic 40 Gal Tall 38,000 BTU Natural Gas Water Heater with 6-Year Tank Warranty - Ultra Low Nox California Use Only is a 40-gallon tall Rheem Professional Classic atmospheric natural gas water heater built for California Ultra Low NOx requirements. It provides a larger tank and stronger burner input than the 29-gallon ULN model.

This model is intended for standard residential gas tank replacement where emissions compliance, atmospheric venting, and household recovery performance must all be matched to the installation.

Product Features:

Natural Gas Operation: Delivers dependable residential hot water with an energy-efficient Ultra-Low NOx burner.
40-Gallon Storage Capacity: Features a 40-gallon nominal tank capacity for reliable everyday hot water availability.
38,000 BTU Ultra-Low NOx Burner: Provides fast recovery while meeting stringent emissions requirements.
Atmospheric Vent Design: Uses natural draft venting for installation with an approved vertical vent or chimney.
First Hour Rating: Delivers up to 75 gallons of hot water during the first hour under standard operating conditions.
Recovery Rate: Recovers approximately 39 gallons per hour at a 90°F temperature rise.
Hot Water Setpoint Range: Adjustable gas thermostat provides a temperature range of approximately 90°F to 160°F.
Top Water Connections: Equipped with 3/4 in. NPT hot and cold water connections conveniently located on the top of the unit.
UEF Rating of 0.62: Meets current DOE efficiency standards for residential atmospheric gas water heaters.
Ultra-Low NOx Compliant: Meets California and South Coast Air Quality Management District (SCAQMD) Ultra-Low NOx emissions requirements.
Rheemglas® Tank Lining: Exclusive porcelain enamel lining helps protect the steel tank against corrosion for extended service life.
Factory-Installed Temperature & Pressure Relief Valve: Enhances operational safety and helps satisfy residential plumbing code requirements.

Warranty

This water heater includes a manufacturer’s limited warranty. Confirm natural gas supply, atmospheric venting, Ultra Low NOx jurisdiction, and seismic or local code requirements before installation.

Product Specs

More Information
Rheem Professional Classic 40 Gal Tall 38,000 BTU Natural Gas Water Heater with 6-Year Tank Warranty - Ultra Low NOx California Use Only
Feature	Spec
SKU	PROG40-38U RH62 EC1-1
Weight (in lbs)	127
AHRI Certificate Number	205417872
Brand/Manufacturer	Rheem
UPC	020352677712
Additional Information	First Hour Rating (FHR): 71 Gallons
Additional Information	Recovery Rate at 90°F Rise: 38 GPH
Additional Information	Vent Size: 3" or 4"
Heating BTU	38,000
Energy Star	No
Capacity	40 gal
Electrical	208/240V
Operating Mode	Heating
Outlet Diameter	3/4" NPT
Inlet Diameter	3/4" NPT
Connection	Top
Temperature Control Range	90°F - 160°F
Fuel Type	Natural Gas
Certification	ANSI Certified, CSA Certified, FVIR Certified, AHRI Certified
Certification	ANSI
Color	Gray
Diameter	19 Inches
Height	58.5"
Width	19"
Depth	19"
Tank Size	40 Gallons
Tank Size	40 Gal
Uniform Energy Factor (UEF)	0.58
Warranty	6-Year Limited Tank and Parts Warranty
Resources	Rheem Owner's Manual Rheem Use & Care Manual Rheem Specification Rheem Warranty You will need Adobe Reader to view PDF documents.
Safety Information	This gas appliance requires a trained technician to install. Improperly connecting gas lines or improperly connecting a gas flue or venting may result in death. By purchasing this item, you are agreeing that you are using a trained technician to install this gas appliance. We will not be responsible for any injury or property damage arising from improper service or service procedures. Whoever installs or services this unit assumes responsibility for any personal injury or property damage which may result. Many jurisdictions require a license to install this equipment. PROPOSITION 65 WARNING This product and many products on our site may contain a chemical known to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.