Lochinvar SIT050 User Manual

STAINLESS STEEL

INDIRECT WATER HEATER

Submittal Sheet

SIT-Sub-02b

STAINLESS STEEL INDIRECT WATER HEATERS

JOB NAME ______________________________________________________________________
LOCATION ______________________________________________________________________
ARCH./ENGR.____________________________________________________________________
WHOLESALER __________________________________________________________________
MECH. CONTRACTOR ___________________________________________________________
MODEL NO. _____________________________________________________________________
GALLON CAPACITY _____________________________________________________________
NOTES

Standard Features

• Fully Welded Construction

• 100% Stainless Steel Construction

• Built in U.S.A. at Lochinvar World Headquarters

• 316L Passivated Stainless Steel Tank

• 316L Stainless Steel Heating Coil

• 1” Boiler Supply and Return Connections

• 1” Domestic Water Connections (30, 40, 50 models)

• 1-1/2” Domestic Water Connections (65, 80, 119 models)

• Non-HCFC High Density Foam Insulation

• Temperature and Pressure Relief Valve (Shipped Loose)

• Factory Supplied Tank Sensor

• Warranty - Limited Lifetime

Five year limited tank warranty on
all models when used in a commercial
application.
One year warranty on parts.
(See warranty for details)

Optional Equipment

Place an X in the box by all options that apply

Aqua Stat

Stainless Steel Indirect Water Heater Dimensions & Specifications

Domestic Coil
Model Water Connection Shipping
Number A B D G H I Conn. Size Wt. (lbs.)

SIT030 39-1/2” 20” 32-1/4” 21-3/4” 8-1/4” 3” 1” 1” 79
SIT040 55-1/2” 20” 48-1/2” 25-1/4” 8-1/4” 3” 1” 1” 105
SIT050 47” 24” 39-3/4” 24-1/2” 9-1/4” 3-3/4” 1” 1” 131
SIT065 60” 24” 52-1/4” 28” 9-1/4” 3-1/4” 1-1/2” 1” 147
SIT080 69-1/2” 24” 61-3/4” 28” 9-1/4” 3-1/4” 1-1/2” 1” 177
SIT119 68-1/4” 28” 60-1/4” 31-3/4” 9-1/4” 3-1/4” 1-1/2” 1” 213

Heat Source Standby First Continuous 1st Hour Min. Flow Friction
Model Capacity Water Volume Loss Draw Delivery Delivery Coil Load Rate Loss
Number (Gallons) (Gallons) (°F/Hr) Gals. (GPH) (Gallons) (Btu/Hr) (GPM) (Ft. Hd.)

SIT030 27 1.1 1.5 24 160 184 99,000 14.0 3.9
SIT040 40 1.6 0.9 27 181 208 115,000 14.0 4.5
SIT050 52 1.7 0.9 45 210 255 133,000 14.0 5.3
SIT065 67 1.9 0.7 65 263 328 154,000 14.0 5.7
SIT080 82 2.1 0.6 74 266 340 160,000 14.0 5.7
SIT119 113 3.2 0.5 109 349 459 200,000 14.0 6.5

Performance data is based on IWH-TS1 test results. All ratings are based on 180°F boiler water temperature with incoming cold water at 58°F and a Delta T of 77°F.

Includes tank sensor for use with KNIGHT Heating Boiler.

Optional thermostat available for use with other boiler models.

Lochinvar, LLC
300 Maddox Simpson Parkway
Lebanon, Tennessee 37090
P: 615.889.8900 / F: 615.547.1000

Lochinvar.com

10/15—Printed in U.S.A.