Typography
SECONDARY FONT
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PRIMARY FONT
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Buttons
PRIMARY Button
SECONDARY Button
Colors
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Features
FLEXIBLE SIZING
Available in 110, 150, and 199 MBH sizing variations
HIGH EFFICIENCY
95% AFUE for reduced energy consumption and costs
VERSATILE HEATING
Suitable for combi or heat-only applications
DURABLE DESIGN
Stainless steel firetube heat exchanger ensures long-lasting performance
EASY INSTALL / MAINTENANCE
Stainless steel firetube heat exchanger ensures long-lasting performance
USER-FRIENDLY CONTROL
Intuitive touchscreen display for easy navigation and more
SMART CONNECTIVITY
Connect via smartphone with Bluetooth®
HEAT PUMP COMPATIBLE
Ready for seamless integration with heat pumps
EXTENDED WARRANTY
5-year service parts warranty with registration (90 days, residential only)
V2 Features
FLEXIBLE SIZING
Available in 110, 150, and 199 MBH sizing variations
DURABLE DESIGN
Stainless steel firetube heat exchanger ensures long-lasting performance
SMART CONNECTIVITY
Connect via smartphone with Bluetooth®
HIGH EFFICIENCY
95% AFUE for reduced energy consumption and costs
EASY INSTALL / MAINTENANCE
Stainless steel firetube heat exchanger ensures long-lasting performance
HEAT PUMP COMPATIBLE
Ready for seamless integration with heat pumps
VERSATILE HEATING
Suitable for combi or heat-only applications
USER-FRIENDLY CONTROL
Intuitive touchscreen display for easy navigation and more
EXTENDED WARRANTY
5-year service parts warranty with registration (90 days, residential only)
Contact your local Weil-McLain Sales Representative to Help Show You the SlimFit ROI Calculator
Available for Order Now
The Next Generation OF high efficiency Commercial boilers
MODEL | BURNER CAPACITY | GROSS OUTPUT | NET RATINGS | EFFICIENCY RATINGS | BOILER H.P. | FLUE OUTLET DIAMETER | BOILER WATER CONTENT | APPROX. BOILER WEIGHT | ||||||
NUMBER | INPUT OIL (GPH) | INPUT GAS (MBH) | OUTPUT OIL (MBH) | OUTPUT GAS (MBH) | OUTPUT OIL (MBH) | OUTPUT GAS (MBH) | OIL COMBUSTION EFFICIENCY | OIL THERMAL EFFICIENCY | GAS COMBUSTION EFFICIENCY | GAS THERMAL EFFICIENCY | HP | INCHES | GAL | LBS |
488 | 6.9 | 960 | 840 | 806 | 731 | 701 | — | 87.00% | — | 84.00% | 23.8 | 10 | 109 | 2,860 |
588 | 9.1 | 1280 | 1108 | 1075 | 964 | 935 | — | 87.00% | — | 84.00% | 31.7 | 10 | 132 | 3,340 |
688 | 11.4 | 1600 | 1389 | 1344 | 1207 | 1169 | — | 87.00% | — | 84.00% | 39.7 | 12 | 155 | 3,820 |
788 | 13.8 | 1920 | 1681 | 1613 | 1462 | 1402 | — | 87.00% | — | 84.00% | 47.6 | 12 | 178 | 4,345 |
888 | 16 | 2240 | 1949 | 1882 | 1695 | 1636 | — | 87.00% | — | 84.00% | 55.6 | 14 | 201 | 4,925 |
988 | 18.2 | 2560 | 2242 | 2176 | 1950 | 1892 | 88.00% | — | 85.00% | — | 63.5 | 14 | 224 | 5,600 |
1088 | 20.5 | 2880 | 2526 | 2448 | 2169 | 2129 | 88.00% | — | 85.00% | — | 71.4 | 14 | 247 | 6,130 |
1188 | 23 | 3200 | 2834 | 2720 | 2464 | 2365 | 88.00% | — | 85.00% | — | 79.4 | 16 | 270 | 6,695 |
1288 | 25 | 3520 | 3080 | 2992 | 2678 | 2602 | 88.00% | — | 85.00% | — | 87.3 | 16 | 293 | 7,260 |
1388 | 27.5 | 3840 | 3388 | 3264 | 2946 | 2838 | 88.00% | — | 85.00% | — | 95.2 | 16 | 316 | 7,890 |
1488 | 29.5 | 4160 | 3634 | 3536 | 3160 | 3075 | 88.00% | — | 85.00% | — | 103.2 | 18 | 339 | 8,410 |
1588 | 32 | 4480 | 3942 | 3808 | 3428 | 3311 | 88.00% | — | 85.00% | — | 111.1 | 18 | 362 | 9,005 |
1688 | 34.5 | 4800 | 4250 | 4080 | 3696 | 3548 | 88.00% | — | 85.00% | — | 119 | 18 | 385 | 9,525 |
1788 | 36.5 | 5120 | 4497 | 4352 | 3910 | 3784 | 88.00% | — | 85.00% | — | 127 | 18 | 408 | 9,780 |
1888 | 39 | 5440 | 4805 | 4624 | 4178 | 4021 | 88.00% | — | 85.00% | — | 134.9 | 20 | 431 | 10,775 |
