Heating
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OIL BOILERS

Well Mclain

Kegel has a large variety of oil boilers for your heating needs. Check our Well Mclain products here. Contact us if you are in need of a new oil boiler or if you need to know if this solution is right for you.

Well Mclain Oil Boiler AquaBalance Series 1

AquaBalance Series 1

  • Up to 94.4% AFUE energy efficiency
  • Available in 80, 120 and 155 Btu/Hr inputs sizes
  • All 3 sizes available in heat-only, or combination space and domestic hot water heating versions
  • Natural or Propane (LP) gas operation – shipped as NG, optional LP conversion kit available
  • 1" diameter ASME certified 316L stainless steel single tube heat exchanger – low pressure drop
  • 4 gallons per minute DHW 155 combi (70-degree rise )
  • Internal 3-speed Grundfos circulator (combi versions only)
  • Compact design – increases placement options
  • Heavy gauge insulated jacket – provides quiet operation
  • Contractor-friendly removable sides
  • Pre-wired, plug-in ready electrical design
  • Commercial grade 120V power 6' cord with 3 prong plug
  • 24 VAC thermostat relay, fuse protected with prewired terminal strip
  • Honeywell control with digital display
  • Wall mounting bracket and hardware
  • Unique "3-in-1" vent adapter – readily accepts PVC, CPVC, SS or PP vent materials
  • Multiple vent options – direct vent, 2 pipes or concentric, through roof or sidewall
  • Low NOx SCAQMD compliant
  • Peace of mind warranty

Click to view the AquaBalance Series 1 Brochure


AquaBalance Series 2

  • 95% AFUE energy efficiency
  • Available in 80, 120 and 155 Btu/Hr inputs sizes
  • All 3 sizes available in heat-only, or combination space and domestic hot water heating versions
  • Natural or Propane (LP) gas operation – shipped as NG, optional LP conversion kit available
  • 1" diameter ASME certified 316L stainless steel single tube heat exchanger – low pressure drop
  • 4 gallons per minute DHW 155 combi (70-degree rise )
  • Internal 3-speed Grundfos circulator (combi versions only)
  • Compact design – increases placement options
  • Heavy gauge insulated jacket – provides quiet operation
  • Contractor-friendly removable sides
  • Pre-wired, plug-in ready electrical design
  • Commercial grade 120V power 6' cord with 3 prong plug
  • 24 VAC thermostat relay, fuse protected with prewired terminal strip
  • Honeywell control with digital display
  • Wall mounting bracket and hardware
  • Unique "3-in-1" vent adapter – readily accepts PVC, CPVC, SS or PP vent materials
  • Multiple vent options – direct vent, 2 pipes or concentric, through roof or sidewall
  • Low NOx SCAQMD compliant
  • Peace of mind warranty

Click to view the AquaBalance Series 2 Brochure


Well Mclain Evergreen Gas BoilerEvergreen Gas Boiler

  • Stainless Steel Fire Tube Heat Exchanger with non-metallic base
  • Floor Standing Boiler with optional wall mount kit
  • Available in 6 Sizes: 70, 110, 155, 220, 299, 399 MBH
  • Modulating Condensing Boiler
  • 95% AFUE (70-299); 96.5% Combustion Efficiency (399)
  • 4 Pump/Auxiliary Outputs (Example: 1 boiler loop pump +3 zone pumps)
  • Up to 8 Multiple Boiler Control with lead/lag rotation
  • Modbus® to BMS connectivity
  • Each input can be assigned to a priority (Up to 3 Priorities)
  • Multiple Inputs can be assigned one priority (Zone Based Control)
  • All Lag Boiler Inputs and Output can be used
  • 0-10 Volt Input (modulation or set point)
  • Configurable Auxiliary Input/Output System
  • Boiler Circulator Included (ECM version with 70-155)

Click to view the Evergreen Gas Boiler Brochure


Well Mclain WM97+ CT Wall Mount Gas BoilerWM97+ CT Wall Mount Gas Boiler

  • 70,000, 110,000 & 155,000 BTU input models at 95% AFUE
  • Stylish, compact wall mount design for easy installation, service and maintenance
  • Unique condensing stainless steel fire tube heat exchanger design
  • Built-in boiler circulator
  • Built-in primary/secondary piping option
  • Pre-wired terminal strip for quick and easy electrical connections
  • Convenient indirect-fired water heater connection
  • Capable to vent with PVC, PP and SS up to 100'
  • Multi-color LCD display with text - no codes
  • CT - Condensing Technology - 5 to 1 turndown ratio
  • AquaLogic indirect fired water heater compatible

Click to view the WM97+ CT Wall Mount Gas Boiler Brochure


Well Mclain Ultra S4 Gas BoilerUltra S4 Gas Boiler

  • Cast aluminum coated heat exchanger
  • Up to 94% DOE AFUE efficiency
  • Designed to operate in low temperature condensing applications
  • Outdoor reset and domestic hot water priority
  • Modulates with 5:1 turn-down ratio
  • High grade stainless steel burner features quiet operation
  • U-Control gives you the power for easy set-up and maintenance:
  • Multiple set-up and zone options
  • System sensing recognizes system and outdoor temperatures
  • Temperature management for up to three different set-points
  • Control multiple boilers from a single control panel
  • Standard screen messages provide service alerts and maintenance reminders

Click to view the Ultra S4 Gas Boiler Brochure


Well Mclain ECO Wall Mount Gas BoilerECO Wall Mount Gas Boiler

  • Class-leading 70,000, 110,000, and 155,000 BTUH models
  • Exceeds Energy Star requirements at 95% AFUE efficiency rating
  • Durable stainless steel fire tube heat exchanger
  • Streamlined design configurable for installation
  • Display can be mounted on the boiler or wall (up to 2’ away)
  • Components positioned for fast and easy service
  • Multiple vent configurations and material options
  • Optional accessories to match virtually any installation

Click to view the ECO Wall Mount Gas Boiler Brochure


Well Mclain GV90+ Gas BoilerGV90+ Gas Boiler

  • 91% AFUE efficient
  • Durable cast iron primary heat exchanger
  • Condensing stainless steel secondary heat exchanger
  • Unique 7 pass heat exchanger design maximizes heat transfer
  • Vents with PVC
  • Multiple ventilation options (direct vent, direct exhaust, concentric)
  • Easy conversion to propane (kit included)

Click to view the GV90+ Gas Boiler Brochure


Well Mclain CGi Gas Boiler Series 3CGi Gas Boiler Series 3

  • Gas fired water boiler with cast iron sections
  • Natural draft and direct exhaust capability
  • Can be used with natural or propane gas
  • All units are factory-tested
  • Compact design saves valuable living space
  • No vertical draft hood and no mechanical vent damper
  • Intermittent electronic ignition with standard components for easy servicing
  • Up tp 85% AFUE

Click to view the CGi Gas Boiler Series 3 Brochure


Well Mclain CGa Gas Boiler Series 2CGa Gas Boiler Series 2

  • Compact design saves valuable living space
  • Stainless steel burners for quieter ignition, longer life, and improved combustion
  • Gas fired water boiler with cast iron sections
  • Easily accessible controls, vertical flueways and top cleaning for easy and quick servicing
  • Up to 84% AFUE

Click to view the CGa Gas Boiler Series 2 Brochure


Well Mclain Gas BoilerCGt Gas Boiler

  • The CGt is available in one size and has a built-in tankless heater as standard equipment.
  • The CGt gas boiler from Weil-McLain offers a compact design boiler that also provides domestic hot water.
  • Other features include high-grade stainless steel burners, integrated control module and venting flexibility.
  • 82% AFUE

Click to view the CGt Gas Boiler Brochure


Well Mclain EG Gas BoilerEG Gas Boiler

  • Comes with automatic vent damper for higher efficiencies and reduced fuel consumption
  • Easy access to controls for convenient servicing
  • Configured for Natural Gas, intermittent electronic ignition only
  • A versatile gas cast iron boiler for water or steam applications
  • Cast iron heat exchanger
  • Up to 84% AFUE

Click to view the EG Gas Boiler Brochure


Well Mclain Ultra Oil BoilerUltra Oil Boiler

  • 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
  • 87% AFUE Series 3

Click to view the Ultra Oil Boiler Brochure


Well Mclain WGO Oil BoilerWGO Oil Boiler

  • Dedicated water-only oil boiler with cast iron sections - no tankless heater or cover plate
  • Quick open top and swing-away burner door with full chamber access increases visibility for inspection and servicing
  • Two flue outlets- rear and top - for complete venting flexibility
  • Recessed target wall design protects unit from flue brushes
  • Includes factory-wired circulator, service switch and Weil-McLain exclusive captured elastomer seals for added reliability

Click to view the WGO Oil Boiler Brochure


Well Mclain WTGO Oil BoilerWTGO Oil Boiler

  • Oil-fired water boiler with cast iron sections
  • 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
  • Available assembled or as a knockdown for installation areas with limited space

Click to view the WTGO Oil Boiler Brochure


Well MclainSGO Oil Boiler

  • 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

Click to view the SGO Oil Boiler Brochure

Boilers Contact Form

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