Bosch Thermotechnology boilers in Canada

Input

24.6–79.2 MBH

Output (max)

74.7 MBH

AFUE

—

The Greenstar ZBR 21-3A is the smallest current wall-hung heating-only Greenstar boiler: 24,600 to 79,200 BTU/hr natural-gas input at 95% AFUE family rating (per Bosch CA marketing), 103.6 lb in the shared 440 x 850 x 353 mm wall cabinet.

Input

24.6–100.8 MBH

Output (max)

93.8 MBH

AFUE

—

The Greenstar ZBR 28-3A is the 100 MBH-class wall-hung heating-only Greenstar: 24,600 to 100,800 BTU/hr natural-gas input, 103.6 lb, in the same 440 x 850 x 353 mm cabinet as the rest of the wall line.

Input

36–131.9 MBH

Output (max)

122.8 MBH

AFUE

—

The Greenstar ZBR 35-3A is the 132 MBH-class wall-hung heating-only Greenstar: 36,000 to 131,900 BTU/hr natural-gas input in the standard 103.6 lb wall cabinet, with the shorter vent runs Bosch allows for the 35/42 size class.

Input

36–151.6 MBH

Output (max)

137.5 MBH

AFUE

—

The Greenstar ZBR 42-3A is the top wall-hung heating-only Greenstar: 36,000 to 151,600 BTU/hr natural-gas input (with altitude tables to 7,000 ft), rated to 30 psi at 187 °F max supply, still in the 103.6 lb wall cabinet.

Input

36–131.9 MBH

Output (max)

122.8 MBH

AFUE

—

The Greenstar ZWB 35-3A is the mid-size wall-hung Greenstar combi — 36,000 to 131,900 BTU/hr natural-gas heating input with DHW output to 118,700 BTU/hr at a 140 °F outlet and 3.17 GPM maximum DHW flow — documented in the Greenstar Wall I&O manual because the Combi 100P/151P manual does not cover the 35-3A size.

Input

24.6–100 MBH

Output (max)

93.8 MBH

AFUE

—

The Greenstar Combi 100p is the ZWB 28-3A wall-hung combi: 24,600 to 100,000 BTU/hr heating input with DHW output to 91,400 BTU/hr at a 140 °F outlet and 2.03 GPM nominal DHW flow, documented in the Combi 100P/151P I&O manual (6721853953).

Input

36–151.6 MBH

Output (max)

137.5 MBH

AFUE

—

The Greenstar Combi 151p is the ZWB 42-3A wall-hung combi — the largest Greenstar combi: 36,000 to 151,600 BTU/hr heating input, DHW output to 135,800 BTU/hr at a 140 °F outlet and 3.61 GPM nominal DHW flow, covered by the Combi 100P/151P I&O manual.

Input

24.6–79.2 MBH

Output (max)

74.7 MBH

AFUE

—

The Greenstar KBR 21-3A is a floor-standing heating-only Greenstar boiler: 24.6 to 79.2 MBH natural-gas input in the 557 x 1048 x 555 mm FS cabinet, rated 150 lb without packaging.

Input

24.6–100 MBH

Output (max)

93.8 MBH

AFUE

—

The Greenstar KBR 28-3A is a floor-standing heating-only Greenstar boiler: 24.6 to 100 MBH natural-gas input in the 557 x 1048 x 555 mm FS cabinet, rated 150 lb without packaging.

Input

36–131.9 MBH

Output (max)

122.8 MBH

AFUE

—

The Greenstar KBR 35-3A is a floor-standing heating-only Greenstar boiler: 36 to 131.9 MBH natural-gas input in the 557 x 1048 x 555 mm FS cabinet, rated 150 lb without packaging.

Input

36–151.6 MBH

Output (max)

137.5 MBH

AFUE

—

The Greenstar KBR 42-3A is a floor-standing heating-only Greenstar boiler: 36 to 151.6 MBH natural-gas input in the 557 x 1048 x 555 mm FS cabinet, rated 150 lb without packaging.

Input

24.6–100.8 MBH

Output (max)

93.8 MBH

AFUE

—

The Greenstar KWB 28-3A is the floor-standing combi model of the FS line ('Combi FS'): 24.6 to 100.8 MBH heating input with built-in domestic hot water at 2.03 GPM nominal flow (140 °F outlet), in a 164 lb floor cabinet.

Input

36–131.9 MBH

Output (max)

122.8 MBH

AFUE

—

The Greenstar KWB 35-3A is the floor-standing combi model of the FS line ('Combi FS'): 36 to 131.9 MBH heating input with built-in domestic hot water at 2.6 GPM nominal flow (140 °F outlet), in a 164 lb floor cabinet.

Input

36–151.6 MBH

Output (max)

137.5 MBH

AFUE

—

The Greenstar KWB 42-3A is the floor-standing combi model of the FS line ('Combi FS'): 36 to 151.6 MBH heating input with built-in domestic hot water at 3.61 GPM nominal flow (140 °F outlet), in a 164 lb floor cabinet.

Input

72–290 MBH

Output (max)

—

AFUE

93.8 %

The Buderus GB162-80 kW is the smaller of the two North American GB162 sizes: 72,000 to 290,000 BTU/hr natural-gas input, 261,000 BTU/hr CSA output, 93.8/93.9 AFUE at 80/180 °F, in a 154 lb wall-hung Logamax plus cabinet with 4" flue connection.

Input

72–333 MBH

Output (max)

—

AFUE

—

The Buderus GB162-100 kW is the largest North American GB162: 72,000 to 333,000 BTU/hr natural-gas input and 295,000 BTU/hr CSA output, with BTS 2000 efficiency figures (96.1 part load) in place of an AFUE row, in the same 154 lb wall cabinet as the 80 kW.

Input

26–85 MBH

Output (max)

—

AFUE

—

The Buderus GB142-24 kW was one of four GB142 condensing boiler sizes sold in Canada (24/30/45/60 kW). This size fired 25.7 to 84.8 MBH natural-gas input with 76 MBH CSA output; the model is now out of both the CA and US catalogs and is kept as a historical record with its manuals under the US discontinued-Buderus documentation library.

Input

32–106 MBH

Output (max)

—

AFUE

—

The Buderus GB142-30 kW was one of four GB142 condensing boiler sizes sold in Canada (24/30/45/60 kW). This size fired 31.8 to 106 MBH natural-gas input with 95 MBH CSA output; the model is now out of both the CA and US catalogs and is kept as a historical record with its manuals under the US discontinued-Buderus documentation library.

Input

46–161 MBH

Output (max)

—

AFUE

—

The Buderus GB142-45 kW was one of four GB142 condensing boiler sizes sold in Canada (24/30/45/60 kW). This size fired 46 to 160.9 MBH natural-gas input with 145 MBH CSA output; the model is now out of both the CA and US catalogs and is kept as a historical record with its manuals under the US discontinued-Buderus documentation library.

Input

66–215 MBH

Output (max)

—

AFUE

—

The Buderus GB142-60 kW was one of four GB142 condensing boiler sizes sold in Canada (24/30/45/60 kW). This size fired 66 to 214.8 MBH natural-gas input with 179 MBH CSA output; the model is now out of both the CA and US catalogs and is kept as a historical record with its manuals under the US discontinued-Buderus documentation library.

Input

19.9–80 MBH

Output (max)

—

AFUE

95 %

The Bosch Singular 4000 is the smaller of the two Canadian Singular combis: 19,900 to 80,000 BTU/hr space-heating input with DHW input to 155,000 BTU/hr (the '155K BTU' model), 95.0% AFUE, 6.0 GPM DHW flow at a 45 °F rise and stainless steel heat exchangers.

Input

19.9–140 MBH

Output (max)

—

AFUE

95 %

The Bosch Singular 5200 is the larger Canadian Singular combi: 19,900 to 140,000 BTU/hr space-heating input with DHW input to 199,000 BTU/hr (the '199K BTU' model), 95.0% AFUE, 7.7 GPM DHW flow at a 45 °F rise and up to 10:1 turndown.

Input

79.8–798 MBH

Output (max)

—

AFUE

—

The Buderus SSB800 (Gen 1) is a commercial condensing boiler module rated 798 MBH maximum input (79.8 MBH minimum) with 96.8% AHRI thermal efficiency, 772 MBH gross output and 743 lb dry weight.

Input

100–1024 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000 (Gen 1) is a commercial condensing boiler module rated 1,024 MBH maximum input (100 MBH minimum) with 96.8% AHRI thermal efficiency, 991 MBH gross output and 787 lb dry weight.

Input

100–1024 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL (Gen 1) is a commercial condensing boiler module rated 1,024 MBH maximum input (100 MBH minimum) with 96.8% AHRI thermal efficiency, 991 MBH gross output and 849 lb dry weight.

Input

79.8–798 MBH

Output (max)

—

AFUE

—

The Buderus SSB800 (Gen 2) is a commercial condensing boiler module rated 798 MBH maximum input (79.8 MBH minimum) with 96.8% AHRI thermal efficiency, 772 MBH gross output and 743 lb dry weight.

Input

100–1024 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000 (Gen 2) is a commercial condensing boiler module rated 1,024 MBH maximum input (100 MBH minimum) with 96.8% AHRI thermal efficiency, 991 MBH gross output and 787 lb dry weight.

Input

100–1024 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL (Gen 2) is a commercial condensing boiler module rated 1,024 MBH maximum input (100 MBH minimum) with 96.8% AHRI thermal efficiency, 991 MBH gross output and 849 lb dry weight.

Input

100–2048 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL2 (Gen 1) is a factory-cascaded commercial condensing boiler combining 2 SSB1000TL modules: 2,048 MBH maximum input, 20:1 turndown, 96.8% AHRI thermal efficiency and 1,982 MBH gross output at 1,698 lb dry weight.

Input

100–3072 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL3 (Gen 1) is a factory-cascaded commercial condensing boiler combining 3 SSB1000TL modules: 3,072 MBH maximum input, 30:1 turndown, 96.8% AHRI thermal efficiency and 2,973 MBH gross output at 2,547 lb dry weight.

Input

100–4096 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL4 (Gen 1) is a factory-cascaded commercial condensing boiler combining 4 SSB1000TL modules: 4,096 MBH maximum input, 40:1 turndown, 96.8% AHRI thermal efficiency and 3,964 MBH gross output at 3,396 lb dry weight.

Input

100–2048 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL2 (Gen 2) is a factory-cascaded commercial condensing boiler combining 2 SSB1000TL modules: 2,048 MBH maximum input, 20:1 turndown, 96.8% AHRI thermal efficiency and 1,982 MBH gross output at 1,698 lb dry weight.

Input

100–3072 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL3 (Gen 2) is a factory-cascaded commercial condensing boiler combining 3 SSB1000TL modules: 3,072 MBH maximum input, 30:1 turndown, 96.8% AHRI thermal efficiency and 2,973 MBH gross output at 2,547 lb dry weight.

Input

100–4096 MBH

Output (max)

—

AFUE

—

The Buderus SSB1000TL4 (Gen 2) is a factory-cascaded commercial condensing boiler combining 4 SSB1000TL modules: 4,096 MBH maximum input, 40:1 turndown, 96.8% AHRI thermal efficiency and 3,964 MBH gross output at 3,396 lb dry weight.

Input

17.06–85.3 MBH

Output (max)

—

AFUE

96 %

The Buderus SSB85 is a discontinued wall-hung commercial/residential stainless steel condensing boiler rated 85,300 BTU/hr maximum input with 5:1 turndown, 96% AFUE and 69 MBH net rating.

Input

23.884–119.42 MBH

Output (max)

—

AFUE

96 %

The Buderus SSB120 is a discontinued wall-hung commercial/residential stainless steel condensing boiler rated 119,420 BTU/hr maximum input with 5:1 turndown, 96% AFUE and 96 MBH net rating.

Input

32.073–160.364 MBH

Output (max)

—

AFUE

96 %

The Buderus SSB160 is a discontinued wall-hung commercial/residential stainless steel condensing boiler rated 160,364 BTU/hr maximum input with 5:1 turndown, 96% AFUE and 129 MBH net rating.

Input

51.18–255.9 MBH

Output (max)

—

AFUE

96 %

The Buderus SSB255 is a discontinued floor-standing commercial/residential stainless steel condensing boiler rated 255,900 BTU/hr maximum input with 5:1 turndown, 96% AFUE and 206 MBH net rating.

Input

79.8–399 MBH

Output (max)

—

AFUE

—

The Buderus SSB399 is a discontinued floor-standing commercial/residential stainless steel condensing boiler rated 399,000 BTU/hr maximum input with 5:1 turndown, 96.9% AHRI thermal efficiency and 336 MBH net rating.

Input

102.4–512 MBH

Output (max)

—

AFUE

—

The Buderus SSB512 is a discontinued floor-standing commercial/residential stainless steel condensing boiler rated 512,000 BTU/hr maximum input with 5:1 turndown, 96.8% AHRI thermal efficiency and 430 MBH net rating.

Input

132.2–328.3 MBH

Output (max)

—

AFUE

—

The Buderus GB312/90 is a discontinued commercial natural-gas condensing boiler with an aluminum heat exchanger, 4 sections, 328.3 MBH maximum input and 305 MBH gross IBR output at 93.1% thermal efficiency.

Input

132.2–440.5 MBH

Output (max)

—

AFUE

—

The Buderus GB312/120 is a discontinued commercial natural-gas condensing boiler with an aluminum heat exchanger, 4 sections, 440.5 MBH maximum input and 409 MBH gross IBR output at 92.8% thermal efficiency.

Input

176.5–588.3 MBH

Output (max)

—

AFUE

—

The Buderus GB312/160 is a discontinued commercial natural-gas condensing boiler with an aluminum heat exchanger, 5 sections, 588.3 MBH maximum input and 544 MBH gross IBR output at 92.5% thermal efficiency.

Input

219.8–732.6 MBH

Output (max)

—

AFUE

—

The Buderus GB312/200 is a discontinued commercial natural-gas condensing boiler with an aluminum heat exchanger, 6 sections, 732.6 MBH maximum input and 676 MBH gross IBR output at 92.3% thermal efficiency.

Input

264.2–880.7 MBH

Output (max)

—

AFUE

—

The Buderus GB312/240 is a discontinued commercial natural-gas condensing boiler with an aluminum heat exchanger, 7 sections, 880.7 MBH maximum input and 810 MBH gross IBR output at 92% thermal efficiency.

Input

308.6–1028.8 MBH

Output (max)

—

AFUE

—

The Buderus GB312/280 is a discontinued commercial natural-gas condensing boiler with an aluminum heat exchanger, 8 sections, 1,028.8 MBH maximum input and 944 MBH gross IBR output at 91.7% thermal efficiency.

Input

—

Output (max)

—

AFUE

84.3 %

The Buderus G124X/18 is a discontinued atmospheric cast-iron gas boiler rated 74 MBH input with 84.3% AFUE, 53 MBH net IBR rating and a 229 lb dry weight.

Input

—

Output (max)

—

AFUE

84.2 %

The Buderus G124X/25 is a discontinued atmospheric cast-iron gas boiler rated 103 MBH input with 84.2% AFUE, 75 MBH net IBR rating and a 240 lb dry weight.

Input

—

Output (max)

—

AFUE

84.6 %

The Buderus G124X/32 is a discontinued atmospheric cast-iron gas boiler rated 132.5 MBH input with 84.6% AFUE, 96 MBH net IBR rating and a 337 lb dry weight.

Input

—

Output (max)

—

AFUE

—

The Buderus GA124/17 is a discontinued sealed-combustion cast-iron gas boiler rated 59 MBtu/hr output with a 229 lb empty weight and 2.4 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GA124/23 is a discontinued sealed-combustion cast-iron gas boiler rated 79 MBtu/hr output with a 240 lb empty weight and 2.9 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GA124/30 is a discontinued sealed-combustion cast-iron gas boiler rated 104 MBtu/hr output with a 337 lb empty weight and 3.4 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GC124 II 18/3 is a discontinued atmospheric cast-iron gas boiler rated 74,000 BTU/hr input with a 228 lb dry weight and 2.4 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GC124 II 25/4 is a discontinued atmospheric cast-iron gas boiler rated 103,000 BTU/hr input with a 287 lb dry weight and 2.9 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GC124 II 32/5 is a discontinued atmospheric cast-iron gas boiler rated 132,500 BTU/hr input with a 349.5 lb dry weight and 3.4 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GC144 II 18/3 is a discontinued atmospheric cast-iron gas boiler rated 74,000 BTU/hr input with a 228 lb dry weight and 2.4 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GC144 II 25/4 is a discontinued atmospheric cast-iron gas boiler rated 103,000 BTU/hr input with a 287 lb dry weight and 2.9 US gal water volume.

Input

—

Output (max)

—

AFUE

—

The Buderus GC144 II 32/5 is a discontinued atmospheric cast-iron gas boiler rated 132,500 BTU/hr input with a 349.5 lb dry weight and 3.4 US gal water volume.

Input

—

Output (max)

—

AFUE

84.3 %

The Buderus G234X/38/5 is a discontinued atmospheric cast-iron gas boiler with a 160 MBTU/hr ignition heat load, 130 MBTU/hr nominal output and 84.3% AFUE.

Input

—

Output (max)

—

AFUE

84.1 %

The Buderus G234X/45/5 is a discontinued atmospheric cast-iron gas boiler with a 187 MBTU/hr ignition heat load, 154 MBTU/hr nominal output and 84.1% AFUE.

Input

—

Output (max)

—

AFUE

84.8 %

The Buderus G234X/55/6 is a discontinued atmospheric cast-iron gas boiler with a 228 MBTU/hr ignition heat load, 188 MBTU/hr nominal output and 84.8% AFUE.

Input

—

Output (max)

—

AFUE

84.3 %

The Buderus G234X/64/7 is a discontinued atmospheric cast-iron gas boiler with a 266 MBTU/hr ignition heat load, 219 MBTU/hr nominal output and 84.3% AFUE.

Input

—

Output (max)

—

AFUE

—

The Buderus G334X/73 is a discontinued atmospheric cast-iron gas boiler with a 301 MBTU/hr ignition heat load, 249 MBTU/hr nominal output and 82.7% combustion efficiency.

Input

—

Output (max)

—

AFUE

—

The Buderus G334X/92 is a discontinued atmospheric cast-iron gas boiler with a 378 MBTU/hr ignition heat load, 314 MBTU/hr nominal output and 83.1% combustion efficiency.

Input

—

Output (max)

—

AFUE

—

The Buderus G334X/116 is a discontinued atmospheric cast-iron gas boiler with a 476 MBTU/hr ignition heat load, 396 MBTU/hr nominal output and 83.2% combustion efficiency.

Input

—

Output (max)

—

AFUE

—

The Buderus G334X/132 is a discontinued atmospheric cast-iron gas boiler with a 541 MBTU/hr ignition heat load, 450 MBTU/hr nominal output and 83.2% combustion efficiency.

Input

—

Output (max)

—

AFUE

—

The Buderus G315/5 is a discontinued commercial cast-iron boiler block with 5 sections, 433 MBtu/h gas input (3 GPH oil) and a 304 MBtu/h IBR rating.

Input

—

Output (max)

—

AFUE

—

The Buderus G315/6 is a discontinued commercial cast-iron boiler block with 6 sections, 556 MBtu/h gas input (3.85 GPH oil) and a 395 MBtu/h IBR rating.

Input

—

Output (max)

—

AFUE

—

The Buderus G315/7 is a discontinued commercial cast-iron boiler block with 7 sections, 678 MBtu/h gas input (4.7 GPH oil) and a 486 MBtu/h IBR rating.

Input

—

Output (max)

—

AFUE

—

The Buderus G315/8 is a discontinued commercial cast-iron boiler block with 8 sections, 801 MBtu/h gas input (5.6 GPH oil) and a 577 MBtu/h IBR rating.

Input

—

Output (max)

—

AFUE

—

The Buderus G315/9 is a discontinued commercial cast-iron boiler block with 9 sections, 924 MBtu/h gas input (6.4 GPH oil) and a 668 MBtu/h IBR rating.

Input

—

Output (max)

818.9 MBH

AFUE

—

The Buderus G515/240 is a discontinued commercial cast-iron boiler block with 7 sections and a nominal output range of 685.8-818.9 MBH for oil, gas or combination burners.

Input

—

Output (max)

1,006.6 MBH

AFUE

—

The Buderus G515/295 is a discontinued commercial cast-iron boiler block with 8 sections and a nominal output range of 822.3-1,006.6 MBH for oil, gas or combination burners.

Input

—

Output (max)

1,194.2 MBH

AFUE

—

The Buderus G515/350 is a discontinued commercial cast-iron boiler block with 9 sections and a nominal output range of 1,010-1,194.2 MBH for oil, gas or combination burners.

Input

—

Output (max)

1,364.9 MBH

AFUE

—

The Buderus G515/400 is a discontinued commercial cast-iron boiler block with 10 sections and a nominal output range of 1,197.7-1,364.9 MBH for oil, gas or combination burners.

Input

—

Output (max)

1,552.5 MBH

AFUE

—

The Buderus G515/455 is a discontinued commercial cast-iron boiler block with 11 sections and a nominal output range of 1,368.3-1,552.5 MBH for oil, gas or combination burners.

Input

—

Output (max)

1,740.2 MBH

AFUE

—

The Buderus G515/510 is a discontinued commercial cast-iron boiler block with 12 sections and a nominal output range of 1,555.9-1,740.2 MBH for oil, gas or combination burners.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/570 is a discontinued commercial cast-iron boiler block with 9 sections, 1,951 MBH gross output and 1,697 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/660 is a discontinued commercial cast-iron boiler block with 10 sections, 2,242 MBH gross output and 1,950 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/740 is a discontinued commercial cast-iron boiler block with 11 sections, 2,532 MBH gross output and 2,202 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/820 is a discontinued commercial cast-iron boiler block with 12 sections, 2,822 MBH gross output and 2,454 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/920 is a discontinued commercial cast-iron boiler block with 13 sections, 3,112 MBH gross output and 2,706 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/1020 is a discontinued commercial cast-iron boiler block with 14 sections, 3,402 MBH gross output and 2,958 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/1110 is a discontinued commercial cast-iron boiler block with 15 sections, 3,692 MBH gross output and 3,210 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus G615/1200 is a discontinued commercial cast-iron boiler block with 16 sections, 3,982 MBH gross output and 3,463 MBH net AHRI rating for oil or gas firing.

Input

—

Output (max)

—

AFUE

—

The Buderus SB625WS 160 is a discontinued commercial stainless steel condensing boiler block rated 563 MBH natural-gas input (4 GPH oil) with 532 MBH gross output and 85.3 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB625WS 220 is a discontinued commercial stainless steel condensing boiler block rated 788 MBH natural-gas input (5.6 GPH oil) with 745 MBH gross output and 95.1 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB625WS 290 is a discontinued commercial stainless steel condensing boiler block rated 1,014 MBH natural-gas input (7.2 GPH oil) with 959 MBH gross output and 130.7 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB625WS 370 is a discontinued commercial stainless steel condensing boiler block rated 1,314 MBH natural-gas input (9.3 GPH oil) with 1,243 MBH gross output and 146.6 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB625WS 480 is a discontinued commercial stainless steel condensing boiler block rated 1,689 MBH natural-gas input (12 GPH oil) with 1,598 MBH gross output and 196.2 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB625WS 640 is a discontinued commercial stainless steel condensing boiler block rated 2,200 MBH natural-gas input (15.7 GPH oil) with 2,081 MBH gross output and 203.4 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB745WS 800 is a discontinued commercial stainless steel condensing boiler block rated 3,003 MBH natural-gas input (21.4 GPH oil) with 2,846 MBH gross output and 348.7 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB745WS 1050 is a discontinued commercial stainless steel condensing boiler block rated 3,754 MBH natural-gas input (26.8 GPH oil) with 3,529 MBH gross output and 368.5 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB745WS 1300 is a discontinued commercial stainless steel condensing boiler block rated 4,692 MBH natural-gas input (33.5 GPH oil) with 4,364 MBH gross output and 482.1 US gal water capacity.

Input

—

Output (max)

—

AFUE

—

The Buderus SB745WS 1550 is a discontinued commercial stainless steel condensing boiler block rated 5,443 MBH natural-gas input (38.8 GPH oil) with 5,029 MBH gross output and 501.9 US gal water capacity.