Brochure

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 55-3/4” 20” 48-1/2” 25-1/4” 8-1/4” 3” 1” 1” 105
SIT050 48” 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 0.5 109 308 418 199,999 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.
SIT MODELS
All models standard with a Lifetime
Limited Warranty against tank failure.
All parts are warranted for one year.
Five year limited tank warranty on all
models when installed in a commercial
application.
Stainless Steel Indirect SIT Models Dimensions and Specifications
TRIM AREA
The “Hot Water Outlet” connection is Female NPT.
All other connections are Male NPT.