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BOILER DIMENSIONS & RATINGS
Table 7.1: Boiler Ratings
* As an ENERGY STAR
q
Partner, PB Heat, LLC has determined that these firing rates meet the ENERGY STAR
q
guidelines for energy efficiency.
= All chimneys are 8” x 8” x 20’ except those models denoted with (=), which are 8” x 12” x 20’.
1 Burner input based on No. 2 fuel oil with a heating value of 140,000 Btu per gallon.
2 Net water ratings based on an allowance of 1.15, net steam ratings based on an allowance of 1.333. Consult Factory before selecting a boiler for installations
having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
3 Output is Heating Capacity for models with inputs <300 MBH and Gross Output for models with inputs ≥300 MBH. Heating Capacity and Annual Fuel
Utilization Efficiency (AFUE) ratings are based on U.S. Government tests.
4 Thermal efficiency and gross output are determined in accordance with ANSI/AHRI Standard 1500.
Series EC™
Water
Content,
gal
Min.
Stack
Draft
Reqd.
Model
Number
Input
Output
3,4
MBH
Net Ratings
2
AFUE,
%
Therm.
Eff.
4
%
Comb.
Eff.
%
GPH
1
MBH Water Steam
Steam,
sqft
Steam,
MBH
Water,
MBH
Water Steam Water Steam
EC(T)-e-03-075 0.75 105 93 92 288 69 81 87.6* 86.5
– – 17.40 14.16 -.03
EC(T)-e-03-100 1.00 140 122 121 379 91 106 86.5 85.5
– – 17.40 14.16 -.04
EC(T)-e-04-125 1.25 175 153 152 475 114 133 86.5 85.4
– – 21.72 17.28 -.03
EC(T)-e-04-150 1.50 210 183 181 567 136 159 86.3 85.5
– – 21.72 17.28 -.04
EC(T)-e-05-175 1.75 245 215 213 667 160 187 86.8 85.5
– – 26.04 20.40 -.03
EC(T)-e-05-200 2.00 280 243 242 758 182 211 86.2 85.0
– – 26.04 20.40 -.04
EC(T)-05-250
=
2.40 336 279 279 872 209 243 – –
83.0 85.1 26.04 20.40 -.05
EC(T)-06-275
=
2.75 385 321 321 1004 241 279 – –
83.3 84.4 30.36 23.52 -.04
EC(T)-06-300
=
3.00 420 347 347 1083 261 302 – – 82.5 83.7
30.36 23.52 -.05
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