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Performance Ultra Low NOx

Model # XG40T06EN38U0

Performance Ultra Low NOx

Performance Ultra Low NOx

Performance Series Ultra Low NOx

Performance Ultra Low NOx

Performance Ultra Low NOx

Model # XG40T06EN38U0

Limited warranty may be conditional and require registration. Please refer to product warranty certificate for full details.

.58 - .64 UEF
29, 40, 50, and 55 gallon capacities
Up to 45,000 Btu/hr

Overview

PERFORMANCE™ Ultra Low NOx gas water heaters offer a six-year warranty and are SCAQMD rule 1121 compliant with 10 ng/J NOx emissions

Efficiency

.58 - .64 UEF
More hot water at a low operating cost

Performance

FHR: 51 - 93 gallons for natural gas
Recovery: 30 to 45.5 GPH a 90° F rise

Maintenance Free Burner System

Exclusive fuel shut-off device
Maintenance free – no filter to clean
Disables the heater in the presence of flammable vapor accumulation

Low Emissions

Ultra Low NOx radiant burner design
Stainless steel burner construction
SCAQMD Rule 1121 compliant
Meets 10 ng/J NOx requirements

Easy to Light

No matches required Diagnostic Valve

High Altitude Compliant

All models certified up to 5,999 ft. above sea level
Some models certified up to 10,200 ft. above sea level, check factory for listings

Plus…

Temperature and pressure relief valve included

Low lead compliant

PERFORMANCE ULTRA LOW NOx MODELS
FUEL TYPE	DESCRIPTION	GAL. CAP.	MODEL NUMBER	ENERGY FACTOR	ENERGY STAR®
PERFORMANCE - SELF POWERED DIAGNOSTIC CONTROL - HIGH EFFICIENCY
Natural Gas	Tall	50	XG50T06HN38U1	0.62	--
PERFORMANCE - SELF POWERED DIAGNOSTIC CONTROL
Natural Gas	Tall	50	XG50T06EN38U0	0.60	--
Natural Gas	Tall	50	XG50S06EN40U0	0.60	--
Natural Gas	Short	40	XG40T06EN38U0	0.62	--
Natural Gas	Tall	40	XG40S06EN34U0	0.62	--
Natural Gas	Tall	29	XG29T06EN30U0	0.63	--
PERFORMANCE - SELF POWERED DIAGNOSTIC CONTROL - HIGH DEMAND
Natural Gas	Tall	55	XG55T06EN45U0	0.59	--

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Product Info

Specifications

Dimensions

Product Depth (in.)

23.63"

Details

Fuel Type	Natural Gas
Low Nox	Yes
Tank Capacity	40

Certifications/Qualifications

Documents

application/pdf

Specification Sheet

application/pdf

Web Product Image

application/pdf

Use and Care Instructions

Click here to view this water heater's Energy Guide at AHRI.org.

Reviews

Product Training

Click here to log in to MyRheem to browse our product training library.

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