Lochinvar USN050G User Manual

ULTRA LOW NOX RESIDENTIAL GAS WATER HEATERS

ULTRA LOW NOX

RESIDENTIAL GAS

Submittal Sheet

RGU-Sub-01

JOB NAME ______________________________________________________________________
LOCATION ______________________________________________________________________
ARCH./ENGR.____________________________________________________________________
WHOLESALER __________________________________________________________________
MECH. CONTRACTOR ___________________________________________________________
MODEL NO. _____________________________________________________________________
TYPE GAS ______________________________________________________________________
Btu/hr INPUT_____________________________________________________________________
RECOVERY RATE IN GPH_______________________________________@_________°F RISE
NOTES

Standard Features

• Ultra Low NOx Burner

• Non-CFC Foam Insulation

• Glass-Lined Steel Tank

• Piezo Ignitor

• Adjustable Thermostat w/ Over-Heat Protection

• Factory Installed Heat Trap

• Factory Installed Dielectric Nipples

• Side Relief Valve Tapping

• Temperature & Pressure Relief Valve

• Dip Tube

• Magnesium Tank Saver Anode

• Acrylic Enamel Finished Steel Jacket

• Brass Drain Valve

• Sight Glass

• Equipped with Shield Combustion System

• CSA Certified to ANSI Standards

• 6 or 10 Year Limited Tank Warranty

• 6 Year Warranty on Parts
(See warranties for details)

Optional Equipment

Place an X in the box by all options that apply

Aluminum Anode Rod

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Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900/Fax: [phone]

www.Lochinvar.com

2/08—Printed in U.S.A.

Ultra Low NOx Residential Gas Water Heater Dimensions & Specifications

Natural Gas
Model Gal. Input GPH @ Energy Water Vent Ship.
Number Cap. Btu/Hr 90°F Rise Factor A B D E F Conn. Size Wt.

Ultra Low NOx Series - 6 Year Limited Warranty

USN030G 30 30,000 31 0.61 45-1/2" 18" 48-1/2" 38-3/4” 11-3/4” 3/4” 3” 110
USN041G 40 40,000 42 0.59 47-1/2" 20" 50" 41” 11-3/4” 3/4” 3” 137
USN050G 48 40,000 42 0.58 47" 22" 49-3/4" 40-1/2” 11-3/4” 3/4” 3” 163
UTN030G 30 32,000 33 0.61 56-1/4" 16" 59-1/4" 49-3/4” 11-3/4” 3/4” 3” 113
UTN041G 40 40,000 42 0.59 57-1/4" 18" 61 50” 11-3/4” 3/4” 3” 137
UTN050G 50 40,000 42 0.58 56-3/4" 20" 59-3/4" 50” 11-3/4” 3/4” 3” 154

High-Efficiency Models Ultra Low NOx Series - 6 Year Limited Warranty

UTN030G-EF † 30 32,000 34 0.62 56-1/4" 18" 59-1/4" 49-3/4” 13” 3/4” 3” 123
UTN040G-EF † 40 40,000 43 0.62 56-1/2" 20" 59-1/2" 50” 13” 3/4” 3” 137
UTN050G-EF † 50 40,000 43 0.62 57" 22" 59-3/4" 50” 13” 3/4” 3” 160

High Input Models Ultra Low NOx Series - 6 Year Limited Warranty

UTN040G-4 40 50,000 53 0.59 57-1/2" 18" 60-3/4" 51-1/2” 11-3/4” 3/4” 4” 137
UTN050G-4 50 50,000 53 0.59 56" 20" 58-1/2" 50” 11-3/4” 3/4” 4” 160

Notes: All Ultra Low NOx models certified at 10 ng/J or less.

Ultra Low NOx models available in Natural Gas ONLY.
All gas connections are 1/2" NPT
† Indicates models with 2" of foam insulation
† Models meet requirements of CEC Title 24
Performance data is based on manufacturer's test results.

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