- Input
- —
- Output (max)
- 74 MBH
- AFUE
- 95 %
The ECO Tec 80-H is the smallest ECO Tec heat-only boiler: 80 MBH maximum input at 95.0% AFUE, modulating to 8:1 turndown and weighing 104 lb in the shared 19 x 20 x 33 inch cabinet.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 100 MBH
- AFUE
- 95 %
The ECO Tec 110-H steps the heat-only line to 110 MBH input with 100 MBH DOE heating capacity at 95.0% AFUE, modulating 10:1 in the same 104 lb, 19 x 20 x 33 inch cabinet as the 80-H.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 139 MBH
- AFUE
- 95 %
The ECO Tec 150-H is the first ECO Tec size to grow the heat exchanger: 150 MBH input, 139 MBH DOE heating capacity and a 121 MBH net AHRI rating at 95.0% AFUE, in a 117 lb unit with 3.1 gallons of water content.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 184 MBH
- AFUE
- 95 %
The ECO Tec 199-H tops the heat-only line at 199 MBH input with 184 MBH DOE heating capacity and a 160 MBH net AHRI rating at 95.0% AFUE, weighing 127 lb with 3.8 gallons of water content.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 100 MBH
- AFUE
- 95 %
The ECO Tec 110-C is the entry combi of the Canadian ECO Tec line: the 110 MBH heat-only platform plus an integrated brazed plate DHW module for on-demand hot water, rated 95.0% AFUE at 114 lb.
Natural gasPropaneCombi
- Input
- —
- Output (max)
- 139 MBH
- AFUE
- 95 %
The ECO Tec 150-C is the mid-size ECO Tec combi: 150 MBH of heating input plus an integrated brazed plate DHW module at 95.0% AFUE, weighing 126 lb with 3.1 gallons of boiler water.
Natural gasPropaneCombi
- Input
- —
- Output (max)
- 184 MBH
- AFUE
- 95 %
The ECO Tec 199-C is the flagship ECO Tec combi: 199 MBH input with the line's strongest DHW delivery — the CA page's "up to 5.4 GPM at 70°F rise" claim applies to this size — at 95.0% AFUE in a 135 lb unit.
Natural gasPropaneCombi
- Input
- —
- Output (max)
- 101 MBH
- AFUE
- 95 %
The Evergreen EVG-110 is the entry size of Weil-McLain's stainless steel firetube condensing boiler: 110 MBH input, 101 MBH DOE heating capacity and 95.0% AFUE, vented in 3" pipe only.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 143 MBH
- AFUE
- 95.1 %
The Evergreen EVG-155 is the highest-rated Evergreen at 95.1% AFUE: 155 MBH input, 143 MBH DOE heating capacity and a 124 MBH net AHRI rating, still on 3" venting and the 5:1-turndown 110-155 platform.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 206 MBH
- AFUE
- 95 %
The Evergreen EVG-220 is the first of the larger Evergreen platform: 220 MBH input, 206 MBH DOE heating capacity at 95.0% AFUE, modulating 10:1 and vented in 3" or 4" pipe.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 280 MBH
- AFUE
- 95 %
The Evergreen EVG-299 delivers 299 MBH of input and 280 MBH of DOE heating capacity at 95.0% AFUE on the 220-399 platform, with 4" venting only and 7.0 gallons of water content.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 383 MBH
- AFUE
- —
The Evergreen EVG-399 tops the platform at 399 MBH input: the manual's 96.5% figure is combustion efficiency with gross output — not AFUE — so the CA page's "96.5% AFUE" claim misstates the rating of this 6.7-gallon, 260 lb boiler.
Natural gasPropaneHeating-only
- Input
- 16–80 MBH
- Output (max)
- 71 MBH
- AFUE
- 93.5 %
The Ultra 80 is the smallest Series 4 Ultra: 80 MBH input with a 16 MBH low fire, 71 MBH DOE heating capacity and 93.5% AFUE from a nano-coated cast aluminum condensing block.
Natural gasPropaneHeating-only
- Input
- 21–105 MBH
- Output (max)
- 94 MBH
- AFUE
- 94 %
The Ultra 105 adds 25 MBH of input over the 80: 105 MBH maximum, 21 MBH low fire, 94 MBH DOE heating capacity and 94.0% AFUE from the same nano-coated cast aluminum Series 4 platform.
Natural gasPropaneHeating-only
- Input
- 31–155 MBH
- Output (max)
- 139 MBH
- AFUE
- 94 %
The Ultra 155 is the first Series 4 Ultra to require 3" venting: 155 MBH input, 31 MBH low fire, 139 MBH DOE heating capacity and 94.0% AFUE from the cast aluminum condensing block.
Natural gasPropaneHeating-only
- Input
- 46–230 MBH
- Output (max)
- 207 MBH
- AFUE
- 94.1 %
The Ultra 230 is the most efficient model in the Ultra line at 94.1% AFUE — the figure behind the CA page's up-to-94.1% claim — with 230 MBH input, a 46 MBH low fire and 3"-or-4" venting.
Natural gasPropaneHeating-only
- Input
- 62–299 MBH
- Output (max)
- 270 MBH
- AFUE
- 92.5 %
The Ultra 299 steps up to 4" venting and 1-1/4" tappings: 299 MBH input, a 62 MBH low fire, 270 MBH DOE heating capacity and 92.5% AFUE in the largest Ultra cabinet.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 289 MBH
- AFUE
- —
The Ultra 310 is listed on weil-mclain.ca at 310 MBH input and 289 MBH output, but it appears in no current US Series 4 document — Boilers.ca records the size from the CA page while flagging that manual 550-100-440/1025 does not cover it.
Natural gasPropaneHeating-only
- Input
- 80–399 MBH
- Output (max)
- 364 MBH
- AFUE
- —
The Ultra 399 is the largest Series 4 Ultra: 399 MBH input from an 80 MBH low fire, with the US table's asterisked 91.7% combustion efficiency and 364 MBH gross output — the manual's footnote says those figures are not an AFUE.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 65 MBH
- AFUE
- 91.9 %
The GV90+3 is the smallest Series 2 GV90+: 70 MBH input, 65 MBH DOE heating capacity and a 91.9% AFUE rating — the highest in the line — from the cast iron boiler with stainless steel secondary heat exchanger.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 97 MBH
- AFUE
- 91.2 %
The GV90+4 steps the cast iron line to 105 MBH input and 97 MBH DOE heating capacity at 91.2% AFUE, keeping the 30-3/4" cabinet length with 4.7 gallons of boiler water.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 130 MBH
- AFUE
- 91.4 %
The GV90+5 is the first of the long-cabinet GV90+ sizes: 140 MBH input, 130 MBH DOE heating capacity and a 113 MBH net AHRI rating at 91.4% AFUE, in a 37-3/4" unit.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 161 MBH
- AFUE
- 91 %
The GV90+6 is the largest GV90+ at 175 MBH input and 161 MBH DOE heating capacity — 91.0% AFUE in the 37-3/4" cabinet with 6.9 gallons of boiler water.
Natural gasPropaneHeating-only
- Input
- —
- Output (max)
- 100 MBH
- AFUE
- 95 %
The Simplicity 110-C is the smallest Simplicity: 110 MBH input, 100 MBH DOE heating capacity and 95% AFUE in a 16 x 20 x 34 inch combi that runs as a combi or heat-only boiler.
Natural gasPropaneCombi
- Input
- —
- Output (max)
- 139 MBH
- AFUE
- 95 %
The Simplicity 150-C is the mid-size Simplicity: 150 MBH input, 139 MBH DOE heating capacity and 95% AFUE with 4.0 GPM of DHW at a 70°F rise in the same 16-inch cabinet.
Natural gasPropaneCombi
- Input
- —
- Output (max)
- 184 MBH
- AFUE
- 95 %
The Simplicity 199-C is the largest Simplicity: 199 MBH input, 184 MBH DOE heating capacity and 95% AFUE with the line's top DHW flow of 5.3 GPM at a 70°F rise.
Natural gasPropaneCombi
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 75 MBH
- AFUE
- 95 %
The AB-80C is the combi entry of the AquaBalance Series 2 wall-mount line that weil-mclain.ca lists under Discontinued: 80 MBH CSA input, 75 MBH DOE heating capacity and an integrated DHW module at 95% AFUE in a 77 lb stainless steel unit.
Natural gasPropaneCombi
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 112 MBH
- AFUE
- 95 %
The AB-120C is the mid-size AquaBalance Series 2 combi, discontinued in Canada: 120 MBH CSA input, 112 MBH DOE heating capacity and an integrated DHW module at 95% AFUE, in an 80 lb wall-mounted stainless steel unit.
Natural gasPropaneCombi
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 144 MBH
- AFUE
- 95 %
The AB-155C is the flagship AquaBalance Series 2 combi, discontinued in Canada: 155 MBH CSA input, 144 MBH DOE heating capacity and the line's top DHW delivery — 4 GPM at a 70°F rise per the US page — at 95% AFUE in an 87 lb wall-mounted unit.
Natural gasPropaneCombi
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 75 MBH
- AFUE
- 95 %
The AB-80H is the heat-only entry of the discontinued-in-Canada AquaBalance Series 2 line: 80 MBH CSA input, 75 MBH DOE heating capacity and a 65 MBH net AHRI rating at 95% AFUE in a 64 lb stainless steel wall-mount unit.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 112 MBH
- AFUE
- 95 %
The AB-120H is the mid-size heat-only AquaBalance Series 2, discontinued in Canada: 120 MBH CSA input, 112 MBH DOE heating capacity and a 97 MBH net AHRI rating at 95% AFUE in a 67 lb stainless steel wall-mount unit.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 144 MBH
- AFUE
- 95 %
The AB-155H tops the heat-only AquaBalance Series 2 line, discontinued in Canada: 155 MBH CSA input, 144 MBH DOE heating capacity and a 125 MBH net AHRI rating at 95% AFUE, still only 67 lb in the wall-mounted stainless steel cabinet.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 32 MBH
- AFUE
- 84 %
The CGa-25 is the smallest CGa Series 4 size, documented from the US-current generation of the cast iron boiler that Canada discontinued in 2023: 38 MBH CSA input, 32 MBH DOE heating capacity and 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 56 MBH
- AFUE
- 84 %
The CGa-3 is the second-smallest CGa Series 4 size of the cast iron boiler line Canada discontinued in 2023: 67 MBH CSA input, 56 MBH DOE heating capacity and 84% AFUE, documented from the US-current Series 4 generation.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 85 MBH
- AFUE
- 84 %
The CGa-4 is the mid-size CGa Series 4 model of the cast iron line discontinued in Canada in 2023: 100 MBH CSA input, 85 MBH DOE heating capacity and a 73 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 113 MBH
- AFUE
- 84 %
The CGa-5 is the first of the large-cabinet CGa Series 4 sizes, from the cast iron line discontinued in Canada in 2023: 133 MBH CSA input, 113 MBH DOE heating capacity and a 98 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 141 MBH
- AFUE
- 84 %
The CGa-6 continues the large CGa Series 4 sizes of the cast iron line discontinued in Canada in 2023: 166 MBH CSA input, 141 MBH DOE heating capacity and a 122 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 170 MBH
- AFUE
- 84 %
The CGa-7 is the second-largest CGa Series 4 size of the cast iron line discontinued in Canada in 2023: 200 MBH CSA input, 170 MBH DOE heating capacity and a 147 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 198 MBH
- AFUE
- 84 %
The CGa-8 tops the CGa Series 4 range at 233 MBH CSA input with 198 MBH of DOE heating capacity, an 84% AFUE rating and a 7" vent — the largest of the cast iron line Canada discontinued in 2023.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 41 MBH
- AFUE
- 84 %
The CGi-25 is the smallest CGi Series 5 size, from the cast iron line Canada discontinued in 2023: 48 MBH CSA input, 41 MBH DOE heating capacity and a 36 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 49 MBH
- AFUE
- 84 %
The CGi-3 is the second-smallest CGi Series 5 size of the cast iron line Canada discontinued in 2023: 58 MBH CSA input, 49 MBH DOE heating capacity and a 43 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 77 MBH
- AFUE
- 84 %
The CGi-4 is the mid-size CGi Series 5 model of the cast iron line discontinued in Canada in 2023: 90 MBH CSA input, 77 MBH DOE heating capacity and a 67 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 102 MBH
- AFUE
- 84 %
The CGi-5 is the first of the larger CGi Series 5 sizes, from the cast iron line Canada discontinued in 2023: 119 MBH CSA input, 102 MBH DOE heating capacity and an 89 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 135 MBH
- AFUE
- 84 %
The CGi-6 steps the CGi Series 5 line to 158 MBH CSA input with 135 MBH of DOE heating capacity — an 84% AFUE cast iron boiler from the line Canada discontinued in 2023.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 162 MBH
- AFUE
- 84 %
The CGi-7 is the second-largest CGi Series 5 size of the cast iron line discontinued in Canada in 2023: 190 MBH CSA input, 162 MBH DOE heating capacity and a 141 MBH net AHRI rating at 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- 189 MBH
- AFUE
- 84 %
The CGi-8 tops the CGi Series 5 range at 222 MBH CSA input with 189 MBH of DOE heating capacity — the largest of the cast iron line Canada discontinued in 2023, rated 84% AFUE.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-30 is the smallest EG cast iron boiler: 75 MBH input, 64/62 MBH water/steam DOE heating capacity, 196 sq ft of steam coverage and 84%/82% water/steam AFUE — discontinued in Canada, still sold in the US as EG Series 6 and Series 7.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-35 steps the EG cast iron line to 100 MBH input with 85/82 MBH water/steam DOE heating capacity, 258 sq ft of steam coverage and the range's 84%/82% AFUE; discontinued in Canada, current in the US.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-40 raises the EG line to 125 MBH input with 106/103 MBH water/steam DOE heating capacity, 321 sq ft of steam coverage and 84%/82% AFUE; discontinued in Canada, still sold in the US as EG Series 6 and Series 7.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-45 is the 150 MBH EG size: 127/124 MBH water/steam DOE heating capacity, 388 sq ft of steam coverage, 84%/82% AFUE and a 6" I.D. chimney — discontinued in Canada, current in the US.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-50 moves the EG range to 175 MBH input with 148/145 MBH water/steam DOE heating capacity, 454 sq ft of steam coverage, 84%/82% AFUE and a 7" I.D. chimney; discontinued in Canada, current in the US.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-55 is the 200 MBH EG size with 169/166 MBH water/steam DOE heating capacity, 521 sq ft of steam coverage and 84%/82% AFUE, sharing the 7" I.D. chimney and 585 lb cabinet with the EG-50; discontinued in Canada.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-65 is the 238 MBH EG size: 201/198 MBH water/steam DOE heating capacity, 621 sq ft of steam coverage, 84%/82% AFUE, an 8" I.D. chimney and the larger 3/4" gas connection; discontinued in Canada, current in the US.
Natural gasPropaneHeating-only
DiscontinuedHistorically in Canada
- Input
- —
- Output (max)
- —
- AFUE
- —
The EG-75 tops the EG cast iron line at 282 MBH input with 237/234 MBH water/steam DOE heating capacity, 733 sq ft of steam coverage, 84%/82% AFUE and an 8" I.D. chimney; discontinued in Canada, current in the US.
Natural gasPropaneHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 500 is a current commercial stainless-steel vertical fire-tube condensing boiler: 500 MBH maximum input, 490 MBH gross output at 98% thermal efficiency, with a 10:1 turn-down, 2" NPT supply/return, 1-1/4" NPT gas and a 4" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 600 is a current commercial stainless-steel vertical fire-tube condensing boiler: 600 MBH maximum input, 588 MBH gross output at 98% thermal efficiency, with a 12:1 turn-down, 2" NPT supply/return, 1-1/4" NPT gas and a 4" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 725 is a current commercial stainless-steel vertical fire-tube condensing boiler: 725 MBH maximum input, 708 MBH gross output and a 616 MBH net AHRI rating at 97.7% thermal efficiency, with a 10:1 turn-down, 2-1/2" NPT supply/return, 1-1/4" NPT gas and a 6" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 850 is a current commercial stainless-steel vertical fire-tube condensing boiler: 850 MBH maximum input, 829 MBH gross output and a 721 MBH net AHRI rating at 97.5% thermal efficiency, with a 12:1 turn-down, 2-1/2" NPT supply/return, 1-1/4" NPT gas and a 6" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 1000 is a current commercial stainless-steel vertical fire-tube condensing boiler: 1000 MBH maximum input, 965 MBH gross output and a 839 MBH net AHRI rating at 96.5% thermal efficiency, with a 10:1 turn-down, 3" flange supply/return, 1-1/4" NPT gas and a 6" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 1500 S2 is a current commercial stainless-steel vertical fire-tube condensing boiler: 1500 MBH maximum input, 1400 MBH gross output at 96% thermal efficiency, with a 10:1 turn-down, 3" flange supply/return, 2" NPT gas and a 10"/8" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 2000 S2 is a current commercial stainless-steel vertical fire-tube condensing boiler: 2000 MBH maximum input, 1920 MBH gross output at 96% thermal efficiency, with a 10:1 turn-down, 3" flange supply/return, 2" NPT gas and a 10"/8" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 2500 S2 is a current commercial stainless-steel vertical fire-tube condensing boiler: 2500 MBH maximum input, 2400 MBH gross output at 96% thermal efficiency, with a 10:1 turn-down, 3" flange supply/return, 2" NPT gas and a 10"/10" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- —
- Output (max)
- —
- AFUE
- —
The Weil-McLain SVF 3000 S2 is a current commercial stainless-steel vertical fire-tube condensing boiler: 3000 MBH maximum input, 2886 MBH gross output at 96.2% thermal efficiency, with a 10:1 turn-down, 3" flange supply/return, 2" NPT gas and a 10"/10" vent connection.
Natural gasHeating-only
CurrentCanadian status unknown
- Input
- 110–550 MBH
- Output (max)
- —
- AFUE
- —
The Weil-McLain SF550 is a current commercial condensing gas boiler in the SlimFit line: 110–550 MBH input, 516 MBH gross output and 450 MBH net AHRI at up to 94.7% combustion efficiency, with 6" venting and a sectional aluminium block heat exchanger.
Natural gasPropaneHeating-only
CurrentCanadian status unknown
- Input
- 150–750 MBH
- Output (max)
- —
- AFUE
- —
The Weil-McLain SF750 is a current commercial condensing gas boiler in the SlimFit line: 150–750 MBH input, 702 MBH gross output and 610 MBH net AHRI at up to 94% combustion efficiency, with 6" or 8" venting and a sectional aluminium block heat exchanger.
Natural gasPropaneHeating-only
CurrentCanadian status unknown
- Input
- 167–1000 MBH
- Output (max)
- —
- AFUE
- —
The Weil-McLain SF1000 is a current commercial condensing gas boiler in the SlimFit line: 167–1000 MBH input, 958 MBH gross output and a 1833 MBH net printed page rating at up to 96.1% combustion efficiency, with 6" or 8" venting and a sectional aluminium block heat exchanger.
Natural gasPropaneHeating-only
CurrentCanadian status unknown
- Input
- 250–1500 MBH
- Output (max)
- —
- AFUE
- —
The Weil-McLain SF1500 is a current commercial condensing gas boiler in the SlimFit line: 250–1500 MBH input, 1437 MBH gross output and a 1250 MBH net printed page rating at up to 96.1% combustion efficiency, with 8" venting and a sectional aluminium block heat exchanger.
Natural gasPropaneHeating-only
CurrentCanadian status unknown
- Input
- 333–2000 MBH
- Output (max)
- —
- AFUE
- —
The Weil-McLain SF2000 is a current commercial condensing gas boiler in the SlimFit line: 333–2000 MBH input, 1906 MBH gross output and a 1657 MBH net printed page rating at up to 96.1% combustion efficiency, with 8" venting and a sectional aluminium block heat exchanger.
Natural gasPropaneHeating-only