Brochure

58
Boiler
Model
Burner
FiringRate DOE
Heating
Capacity
MBH
2
I=B=RNet
Ratings Flue
Collar
Diam.
Inches
4
MinimumChimney
Requirements
AFUE%
Water
Content
(Heater)
toNWL
GallonsGPH MBH
1
Steam
MBH
3
Steam
Sq.Ft.
Round
In.Diam.
Rectangle
In.xIn.
Height
Feet
MST288 0.75 105 92 69 288 6 6 8 x 8 15 86.0 15.3
MST396 1.05 147 127 96 396 6 6 8 x 8 15 86.0 15.3
MST513 1.35 189 164 123 513 6 6 8 x 8 15 86.0 19.7
MST629 1.65 231 201 151 629 7 7 8 x 8 15 86.0 24.1
Ratings
OptionalTanklessHeaterRatings
Dimensions
Notes: Maximum Working Pressure: 15 PSI Steam
1. The I=B=R Burner Capacity is based on oil having Higher Heating Value of 140, 000 BTU/Gal.
2. DOE Heating Capacity and Annual Fuel Utilization Efficiency (AFUE) are based on US Government tests at 13.0% CO2 with No. 1 maximum smoke and 0.00” draft in
the breach on standard equipment package.
3. Net I=B=R Ratings are based upon pick-up allowance of 1.333. Consult manufacturer with unusual piping and pickup requirements before selecting boiler.
4. Used for sizing flue connection materials.
Boiler
Model
*222ATanklessHeater
RatingGPM PressureDropPSI
MST288 3.00 22.0
MST396 3.25 24.3
MST513 3.50 26.5
MST629 4.00 31.0
Notes:
1. Tankless Heater Rating, GPM is based on 100 F temperature rise with
40 F inlet water (intermittent draw) with boiler water temperature of 190°F.
Boiler
Model ‘A’ ‘B’ ‘C’ ‘D’
MST288 22-5/8 24 6 35-15/16
MST396 22-5/8 24 6 35-15/16
MST513 28-5/8 30 6 35-15/16
MST629 34-5/8 36 7 35-15/16
© 2011 U.S. Boiler Company, Inc. - Lancaster, PA
Phone: [phone]
www.usboiler.burnham.com