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Effortless comfort, Maximum Efficiency

88 Series 2 Commercial Gas Oil Boiler

88 Series 2 Commercial Gas Oil Boiler

The Weil-McLain 88 Series 2 is a high-efficiency commercial boiler designed for reliable steam heating in schools, hospitals, and industrial buildings. With thermal efficiencies up to 85.6%, it supports multiple firing modes and fuel types, and its durable cast iron design ensures long-lasting performance and easy maintenance.


Features


High Efficiency

85.6% thermal efficiency

Flexible Firing

On/Off, Low/High/Off, Low/High/Low, or Full Modulation

Heater Options

With or without tankless heater

Install Choices

Packaged or knock-down

Fuel Flexibility

Gas, Oil or Gas/Oil

LEED Compliant

Complies to LEED

Boiler Type

Steam Boiler

Wide Range

1010 – 5845 MBH input

Horsepower Range

24-145 H.P.

Flexible Configuration

Single or multiple boiler systems

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.)OIL THERMAL EFFICIENCY (%)GAS THERMAL EFFICIENCY (%)FLUE OUTLET DIAMETER (IN.)BOILER STEAM CONTENT (GALLONS)APPROX. SHIPPING WEIGHT (LBS.)
10882,9903,0822,5618,38385.683.1142476,130
11883,3253,4282,8489,21385.783.1142706,695
12883,6603,7733,13510,14785.783.1142937,260
13883,9954,1193,42211,07185.783.1143167,890
14884,3304,4643,70912,00085.783.1163398,410
15884,6654,8093,99612,92585.783.1163629,005
16885,0005,1554,28313,85485.783.1163859,525
17885,3355,4944,57014,78385.783.1184089,780
18885,6705,8454,85715,71385.783.11843110,775
4889801,0108392,62185.683.1101092,860
5881,3151,3561,1263,52185.683.1101323,340
6881,6501,7011,4134,46985.683.1101553,820
7881,9852,0461,7005,46385.683.1121784,345
8882,3202,3821,9876,42785.683.1122014,925
9882,6552,7372,2747,35885.683.1142245,600


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