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Today's Hours 8am - 11pm estThe 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.
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.