Brochure

Series 2: Technical Information
© 2012 U.S. Boiler Company, Inc. - Lancaster, PA
Phone: [phone]
www.usboiler.net
Form No. PL81401301000-8/12-15m s
Printed in the U.S.A
Series 2 Ratings & Specications
Model AFUE%
Input
(MBH)
DOE
Heating
Capacity
(MBH)
Net AHRI
(MBH)
Vent Size
(Inches)
Approx.
Shipping
Weight.
(lbs.)
202 82.3 37.5 31 27 4 212
202X 83.2 50 42 37 4 262
203 82.6 62 52 45 4 262
204 82.3 96 80 70 5 306
205 82.0 130 108 94 6 354
206 82.0 164 135 117 6 414
207 82.0 198 163 141 7 458
208 82.0 232 191 166 7 514
209 82.0 266 219 190 8 550
210 82.0 299 246 214 8 608
Standard Equipment
• Insulatedjacket
• Baseassembly,includes;
 –100%shut-offcombinationstep-opening 
   redundantgasvalvewithregulatorsection
 –Stainlesssteelburners
 –Pilotburner
 –Flameroll-outswitch
• IntelligentHydronicControl
• Taco007circulatorwithpipingand5’wiringharness
• Castironsectionassembly
• Boilerdrainvalve
• Highlimitcontrol-L4080D
• Transformer/relaycontrol-R8285D
• Resettableblockedventswitch
• Safetyreliefvalve
• Drafthood
A
S
M
E
H
When ordering, add suffix ‘N’ for natural gas, or ‘P’ for propane. Water only, 30 PSI maximum working pressure.
For elevations above 2000 feet, reduce ratings four percent (4%) per 1000 feet above sea level.
Series 2 Dimensions (inches)
Model A B C D E F G
202 18-3/4 10-3/4 6-3/8 4 45-1/2 8-1/2 10(1)
202X 20 12 6 4 45-1/2 8-1/2 4-3/4
203 20 12 6 4 45-1/2 8-1/2 4-3/4
204 23-1/4 15-1/4 7-5/8 5 47-1/8 9-1/8 4-3/4
205 26-1/2 18-1/2 9-1/4 6 48-1/2 9-3/4 5-1/4
206 29-3/4 21-3/4 10-7/8 6 48-1/2 9-3/4 5-1/4
207 33 25 12-1/2 7 50-1/8 10-3/8 6-5/8
208 36-1/4 28-1/4 14-1/8 7 50-1/8 10-3/8 6-5/8
209 39-1/4 31-1/2 15-3/4 8 52 11 7-1/4
210 42-3/4 34-3/4 17-3/8 8 52 11 7-1/4
(1) 202 only. Dimension ‘G’ includes
allowance for 4” x 3” reducer (furnished
with boiler)