Products

Our featured products are listed below. Please do not hesitate
to contact us if you do not find the product you are looking for.

Oil Boilers

Weil-McLain

Weil-McLain is a leading designer, manufacturer and marketer of heating and cooling equipment in residential, commercial and institutional buildings.

Building on a tradition of quality and innovation, our mission is simple: to design and build the best products on the market, to make them first and to make them last—for decades.

Ultra Oil Boiler Back to Service and products page

3-pass cast iron high efficiency heat exchanger
Ultra Oil Boiler

Models:

UG-80, UG-105, UG-155, UG-230, UG-299, UG-399

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
  • Energy Star Rating
  • 86% AFUE

Efficiency Rating Chart

Model I=B=R Burner Cap (GPH) DOE Heating Capacity (MBH) Net I=B=R Ratings (MBH) Min. Chimney Size Annual Fuel Utilization Efficiency (AFUE)
UO-3 (0.80 GPH) 0.80 98 85 8 x 8 86.5
UO-3 (1.00 GPH) 1.00 122 106 8 x 8 86.5
UO-4 1.20 146 127 8 x 8 86.2
UO-5 1.40 172 150 8 x 8 86.5
WTGO Oil Boiler Back to Service and products page

High Efficiency Oil Boiler - Tankless Heater (Water)
WTGO Oil Boiler

Models:

WTGO-3, WTGO-3L, WTGO-4, WTGO-5, WTGO-6, WTGO-7, WTGO-8, WTGO-9

Key Features:

  • High capacity/high efficiency tankless 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
  • Oil-fired water boiler with cast iron sections
  • Energy Star Rating
  • Available assembled or as a knockdown for installation areas with limited space
  • 85% AFUE

Efficiency Rating Chart

Model I=B=R Burner Cap (GPH) DOE Heating Capacity (MBH) Net I=B=R Ratings (MBH) Min. Chimney Size:
Rectangular (in) 		Annual Fuel Utilization Efficiency (AFUE)
WTGO-3 0.95 115 100 8 x 8 85.3
WTGO-3L 0.95 114 99 8 x 8 84.5
WTGO-4 1.20 145 126 8 x 8 85.0
WTGO-5 1.45 175 152 8 x 8 85.0
WTGO-6 1.75 212 184 8 x 8 85.0
WTGO-7 2.00 242 210 8 x 8 85.0
WTGO-8 2.30 266 231 8 x12 --
WTGO-9 2.55 295 257 8 x12 --
SGO Oil Boiler Back to Service and products page

Oil Boiler with Tankless Heater Opening (Steam Or Water)
SGO Oil Boiler

Models:

SGO-3, SGO-4, SGO-5, SGO-6, SGO-7, SGO-8, SGO-9

Key Features:

  • Oil-fired steam boiler with cast iron sections and tankless heater opening
  • Has large water content for longer steaming times
  • Two flue outlets- rear and top - for complete venting flexibility
  • Includes factory-wired circulator, service switch and Weil-McLain exclusive captured elastomer seals for added reliability
  • Quick open top and swing-away burner door with full chamber access increase visibility for inspection and servicing
  • Recessed target wall design protects unit from flue brushes
  • 84% AFUE

Efficiency Rating Chart

Model I=B=R Burner Cap (GPH) Net I=B=R Ratings: Steam (Sq. Ft.) Net I=B=R Ratings: Steam (MBH) Net I=B=R Ratings: Water (MBH) % DOE Seasonal Efficiency (AFUE) - Steam % DOE Seasonal Efficiency (AFUE) - Water Min. Chimney Size: Rectangular (in) Min. Chimney Size: Round (in) Min. Chimney Size: Height (ft.)
SGO-3 0.95 354 85 100 83.8 85.3 8 x 8 6 15
SGO-4 1.20 450 108 126 84.0 85.0 8 x 8 6 15
SGO-5 1.45 546 131 152 83.9 85.0 8 x 8 7 15
SGO-6 1.75 658 158 184 83.7 85.0 8 x 8 7 15
SGO-7 2.00 750 180 210 83.6 85.0 8 x 8 7 15
SGO-8 2.30 833 200 231 0.0 0.0 8 x12 8 20
SGO-9 2.55 921 221 257 0.0 0.0 8 x12 8 20
Energy Kinetics
Energy Kinetics Back to Service and products page
Energy Kinetics

Now you can upgrade your existing water heater and boiler, furnace or heat pump to a single high efficiency system engineered to deliver high performance and exceptional fuel efficiency and economy. System 2000 combines heat and hot water with a single high efficiency appliance to maximize efficiency in all seasons, with the additional benefits of virtually unlimited hot water and whisper quiet operation.

System 2000 is designed for use with conventional heat and hot water systems for homes, buildings, pools, spas, snow melt systems and more.