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bullet Weil-McLain Oil-Fired Hot Water Boilers:

Weil-McClain WGO and WTGO Oil-Fired Hot Water Boilers

weil-mclain oil-fired boiler, gold, wgo, wtgo


Available in different models and sizes to fit any application.

Call Us Today
For a Free Quote!
Weil McClain
Durable Cast Iron
Weil-McLain's new GOLD Oil boiler line provides you with innovative features to help make installation and servicing easier than ever.
Weil-McLain® oil-fired boilers are among the most reliable and energy-efficient residential oil boilers on the market.

Designed for superior heating comfort and long-term efficiency, they feature precision engineering, durable components and proven performance. Three different oil-fired boiler series are available in a variety of models.

WGO and WTGO Key Features:

  • Available with or without a high capacity/high efficiency tankless water heater

  • Quick open top and swing-away burner door with full chamber access increases visibility for inspection and servicing

  • Includes factory-wired circulator, service switch and Weil-McLain exclusive captured elastomer seals for added reliability

  • Recessed target wall design protects unit from flue brushes

  • Two flue outlets- rear and top - for complete venting flexibility
  • Energy Star boilers, furnaces, air conditioners and heat pumps, Allentown, Bethlehem, Quakertown, Clarks Summit
  • Oil-fired water boiler with cast iron sections

  • Energy Star Rating

  • 85% AFUE

Weil-McClain Model UO Ultra Oil Boilers

weil-mclain ultra cast iron, oil-fired boiler


Available in different models and sizes to fit any application.

Call Us Today
For a Free Quote!
Weil McClain
Durable Cast Iron
Weil McLain's new Ultra Oil Boilers are premium, smart, durable oil boilers with many state-of-the-art features!

UO Ultra Oil Boiler Key Features:

  • Optional Advanced Features Module that provides indoor/outdoor reset, DHW priority, stage firing and more

  • Dedicated water-only oil boiler

  • Flexible direct or chimney venting - no power assisted fan needed

  • Reversible swing-away burner door

  • Three-pass cast iron heat exchanger with captured elastomer seals

  • Sleek, innovatively designed jacket with rear piping and wiring openings and concealed controls for an appliance-like appearance
  • Energy Star boilers, furnaces, air conditioners and heat pumps, Allentown, Bethlehem, Quakertown, Clarks Summit
  • Circulator included, plus it's pre-wired for an optional fully integrated control system

  • Energy Star Rating

  • 86% AFUE

How Comfortable Do You Want To Be?

As a licensed heating & air conditioning contractor, Hannabery HVAC provides high quality, professional oil boiler installations, oil boiler replacements, oil boiler repairs, oil boiler maintenance, and related services for the greater Lehigh Valley; including Allentown, Bethlehem, Easton, and all of Eastern Pennsylvania.

All of our Boiler Installations include free removal of old equipment!

Have your new Peerless Boiler professionally installed today!

Call us at 1-800-544-HEAT

[Must be in our service area]

bullet Books-N-More

Trane, York, Rheem, Weil McLain, Peerless, ClimateMaster, Fujitsu, Aprilaire, Honeywell, Mitusbishi, Kohler
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Our Credentials
BBB Accredited Business with A-plus rating, Allentown, Quakertown, Clarks Summit NATE-certified Service Technicians, Lehigh Valley, Lehigh County SuperPages SuperGuarantee Rheem equipment, Rheem dealer, Rheem installer, allentown, bethlehem, easton, pa Member of Associated Builders and Contractors (ABC) Eastern PA Chapter Trane Comfort Specialist Dealer Member - Greater Lehigh Valley Chamber of Commerce Angie's List 2014 Super Service Award Winner
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Main Office: 200 Schantz Road, Allentown, PA 18104


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Hannabery HVAC has been proudly serving Eastern Pennsylvania homeowners and businesses for over 40 years. Our work areas include: