Series SC/SCT

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Available from the factory as knockdown split blocks or completely packaged assembled units, with steel push nipples, for easy installation. The top or side clean out features allow for easier cleaning, maintaining highest operating efficiency. Pressurized, forced draft firing requires only a three foot vent above the roof, without the need for a chimney, for simple installations.

The SC and the SCT hot water boilers provide optional tankless domestic hot water openings for versatility. The SCT designation indicates that an optional, larger, tankless domestic hot water coil can be installed in its specially designed rear section for steam or hot water boilers, insuring ample domestic hot water production.

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Type: Semi-Commercial
Construction: Cast Iron
Fuel: Oil, Gas, Gas/Oil-Fired
Input: 433 to 794 MBH
Output: 343 to 632 MBH
Venting: Forced Draft
Trim: Water or Steam
Combustion: Power Burner

 

  • Semi-Commercial, Packaged or Knockdown Gas Boiler
  • Forced Draft Venting
  • Power Burner — Oil, Gas, Gas/Oil
  • Steam or Hot Water Boilers
  • Optional Tankless Coils

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Series SC/SCT Water Content, Gallons
Model Number Oil Input Gas Input, MBH Gross Output, MBH Net I=B=R Ratings Thermal Efficiency, % Combustion Efficiency, %
GPH MBH Steam, sqft Steam, MBH Water, MBH Oil Gas Oil Gas
Water Steam
SC/SCT-05 3.00 420 433 343 1071 257 298 81.7 79.3 83.3 80.8 26.04 20.40
SC/SCT-06 3.50 490 505 405 1267 304 352 82.7 80.3 83.7 81.2 30.36 23.52
SC/SCT-07 4.00 560 577 462 1446 347 402 82.5 80.0 83.5 81.0 34.68 26.64
SC/SCT-08 4.50 630 649 519 1621 389 451 82.3 79.9 83.4 80.9 39.03 29.76
SC/SCT-09 5.00 700 722 575 1796 431 500 82.2 79.7 83.2 80.7 43.32 32.88
SC/SCT-09 5.50 770 794 632 1975 474 550 82.1 79.6 83.0 80.5 47.64 36.00

The above ratings are based on 12.5% CO² (oil) and +.10 in. W.C. at the vent.

The Net I=B=R Ratings shown include allowance for normal piping and pickup load in accordance with Testing and Rating standard for Low Pressure Cast Iron Heating Boilers of The Hydronics Institute. Water ratings are based on a piping and pickup allowance factor of 1.15. Steam ratings based on an allowance factor of 1.33. PB Heat should be consulted before selecting a boiler for gravity hot water installations and installations having unusual piping and pickup requirements such as extended piping systems, exposed piping, night set-back, etc. Ratings shown are for elevations up to 2,000 feet. For elevations above 2,000 feet ratings should be reduced at the rate of 4 percent for each 1,000 feet above sea level.

I=B=R Burner Capacity is based on G.P.H. with a heating value of 140,000 BTU/gal. Burner input based on maximum altitude of 2,000 ft.—for other altitudes consult factory.

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Boiler
Model
Number		 Jacket Left of
Jacket to c/l
of Flue
"D"		 Rear of
Jacket to c/l
of Flue
"E"		 Flue
Size
"F"		 Distance
Between
Tappings
"G"		 Distance Bet.
Front Tap. &
Tapped Inter.
"G1"
Width
"A"		 Length
"B"		 Top to Floor
"C"
SC/SCT-05 22 1/2" 24 1/2" 43 1/4" 10" 13 1/4" 7" 17 3/8" -
SC/SCT-06 22 1/2" 28 3/4" 43 1/4" 10" 15 3/8" 9" 21 5/8" -
SC/SCT-07 22 1/2" 33" 43 1/4" 10" 17 1/2" 9" 25 7/8" -
SC/SCT-08 22 1/2" 37 1/4" 43 1/4" 10" 19 5/8" 9" 30 1/8" -
SC/SCT-09 22 1/2" 41 1/2" 43 1/4" 10" 21 3/4" 10" 34 3/8" -
SC/SCT-10 22 1/2" 45 3/4" 43 1/4" 10" 23 7/8" 10" 38 5/8" 17 1/16"

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