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Effortless comfort, Maximum Efficiency

80 Series 1 Commercial Gas Oil Boiler

80 Series 1 Commercial Gas Oil Boiler

The Weil-McLain 80 Series 1 Commercial Gas/Oil Boiler is a versatile, high-efficiency solution designed for a range of commercial applications. With an 83.2% thermal efficiency, it accommodates both water and steam systems and offers fuel flexibility with gas, oil, or dual-fuel options. Its user-friendly design includes field-convertible flue configurations and lift-off jacket panels for easy installation and maintenance.


Features


Flue Options

Field convertible flue

Format Choices

Available as knockdown or packaged, water or steam and with or without a burner

Easy Access

Jacket side panels lift off for easy installation no tools needed

Fuel Versatility

Commercial light oil, gas and gas-light oil boiler

High Efficiency

83.2% thermal efficiency

big on warmth, low on energy use

Engineered for comfort, designed for efficiency

Certified ENERGY STAR® and heat pump ready, this high-efficiency boiler delivers powerful, eco-friendly performance while keeping energy costs low.

Energy Star logo with text and star design.
A logo with a blue and green gradient droplet and the text "HEAT PUMP READY."

Technical Specs


MODELINPUT LIGHT OIL (MBH)INPUT GAS (MBH)GROSS OUTPUT (MBH)NET STEAM (SQ. FT.)NET STEAM (MBH)NET WATER (MBH)OIL COMBUSTION EFFICIENCY (%)GAS COMBUSTION EFFICIENCY (%)OIL THERMAL EFFICIENCY (%)GAS THERMAL EFFICIENCY (%)FLUE OUTLET DIAMETER (IN.)BOILER WATER/STEAM CONTENT (GALLONS)APPROX. SHIPPING WEIGHT (LBS.)
10801,3441,3781,1103,47183396584.481.98380.5101182,923
11801,4841,5261,2293,8429221,06984.481.88380.510129.53,068
12801,6241,6741,3484,2421,0181,17284.381.88380.5121413,313
38033634627886720924285.382.782.780.2837.51,058
4804764913961,23829734485.582.983.280.78491,203
5806236395151,60838644885.182.683.180.6860.51,448
6807707876341,98347655184.982.383.180.68721,843
7809109357532,35456565584.782.283.180.61083.52,088
8801,0501,0828722,72565475884.6828380.610952,317
9801,1901,2309913,09674386284.5828380.510106.52,678


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