The Weil McLain GV90+ boiler has a durable cast iron primary heat exchanger that extends product life - it is not uncommon for cast iron
boilers to last in excess of 40 years. A corrosion resistant stainless steel condensing secondary heat exchanger increases efficiency up to
5% by recouping heat energy from exhaust normally wasted when vented from the building. The extra heat energy is then added and
circulated through the baseboard or radiators to efficiently heat the home. Unlike most high efficiency boilers in the industry, the Weil
McLain GV90+ has extra-wide waterways (over 2 inches) allowing sludge and debris, often present in older systems, to flow through easily.
This limits scale build up, which reduces boiler efficiency, performance and can lead to premature boiler failure. Down fired, counter flow
boiler design improves boiler efficiency. The GV90+ offers 5 pass design in the primary heat exchanger and 2 pass design in the secondary
heat exchanger maximizing heat transfer and optimizing boiler efficiency. Built in dual circulator strategy provides boiler protection - it can
accept low return water temperatures (down to 60 degrees) with no additional mixing valves, pumps, wiring and installation labor. The
lower water temperature also allows homeowners the flexibility to add radiant heating for kitchens, baths or other living spaces without the
added cost of special return temperature controls.
Features
LP conversion kit with rating plate
Water content: 4.7 gallons
Cast iron sections with air separator and stainless steel secondary heat exchanger with air separator
Built in circulator and built in by-pass circulator system circulators cannot be removed or used elsewhere
Stainless steel burner cone and ring assembly
Hot surface ignition system
Blower assembly with observation port
Insulated extended jacket
Condensate trap
Sidewall vent termination kit; (Includes: Inside and outside metal termination plates and hardware)
The Weil McLain Evergreen Pro boiler extends comfort levels to every area of your property for the long run. The Evergreen Pro is perfect for
residential applications or light commercial and single or multi-unit installations with ZoneStacking up to 24 programmable zones. It's everything
you want in heating: quiet operation, aesthetically pleasing design, floor standing or wall mount options, environmental sustainability, heating
comfort while optimizing energy savings. The setup wizard efficiently guides the installer through a single or multiple boiler installation in
minutes. For the contractor, installer and / or service provider, the Evergreen Pro has an easy to understand graphical user Interface and makes
programming and monitoring operations simple. The wiring diagrams provided are clear and easily accessible. The quiet operation of the
Evergreen Pro further enhances the sense of "invisible" heat, from multiple in home zones to pool heating. For the homeowner who wants
heating comfort while maintaining lower utility bills and reducing their carbon footprint, the Evergreen Pro 299 boiler has earned Energy
Star rating, with an impressive 95% AFUE rating. This could qualify the homeowner for local utility rebates, if available. The Evergreen Pro's
smooth performance adds to the greener environment sustainability with straightforward, user friendly design with advanced technology.
Simple user interface with complex calculations behind the scenes of the required energy to meet system demands is distributed across
all the boilers in the network. The system maximizes user's comfort by simultaneously meeting as many system demands as possible: When
there are multiple requests on a cascaded boiler system, the control satisfies both local and network heating demands. The built in
installation wizard asks direct questions on setup, making customization easy and straightforward. Contextual help is also available on screen.
Features
Can be converted to LP gas with the optional LP conversion kit (Not included)
Water content: 7 gallons
Stainless steel fire tube heat exchanger
Low water cut off with test button
Outdoor temperature sensor
Easy setup and installation with control wizard
Three thermostat inputs
Four total outputs: 1 - Dedicated boiler circulator output, 3 - additional outputs can be used with circulators, dampers or system auxilliary
Cast iron sections for better heat transfer and a compact design to save valuable living space. Easily accessible controls, vertical flueways
and top cleaning for easy and quick servicing
Features
Integrated boiler control module with intermittent electronic ignition system with integrated indicator and diagnostic lights
Cast iron sections for better heat transfer and a compact design to save valuable living space. Easily accessible controls, vertical flueways
and top cleaning for easy and quick servicing
Features
Integrated boiler control module with intermittent electronic ignition system with integrated indicator and diagnostic lights
Cast iron sections for better heat transfer and a compact design to save valuable living space. Easily accessible controls, vertical flueways
and top cleaning for easy and quick servicing
Features
Can be installed with atmospheric venting using a chimney; flue size 6 inch
Can be installed with direct venting using AL29-4C stainless steel vent pipe; flue size 3 inch
Integrated boiler control module with intermittent electronic ignition system with integrated indicator and diagnostic lights
If boiler is fired at 1.75 gallons per hour: 245,000 BTU input - 212,000 BTU heating capacity - 85.5% AFUE -
If boiler is fired at 1.95 gallons per hour: 273,000 BTU input - 235,000 BTU heating capacity - 85.0% AFUE - 17.75 gallons water content -
Carlin 99 oil burner - Cast iron sections with steel push nipples - Insulated deluxe powder coated steel jacket - Wet base section
design - Full plate swing out burner door - Top flue outlet - Built in air elimination baffle - Boiler reset control with low water cut off
The Weil McLain Evergreen Pro boiler extends comfort levels to every area of your property for the long run. The Evergreen Pro is perfect for
residential applications or light commercial and single or multi-unit installations with ZoneStacking up to 24 programmable zones. It's everything
you want in heating: quiet operation, aesthetically pleasing design, floor standing or wall mount options, environmental sustainability, heating
comfort while optimizing energy savings. The setup wizard efficiently guides the installer through a single or multiple boiler installation in
minutes. For the contractor, installer and / or service provider, the Evergreen Pro has an easy to understand graphical user Interface and makes
programming and monitoring operations simple. The wiring diagrams provided are clear and easily accessible. The quiet operation of the
Evergreen Pro further enhances the sense of "invisible" heat, from multiple in home zones to pool heating. For the homeowner who wants
heating comfort while maintaining lower utility bills and reducing their carbon footprint, the Evergreen Pro 155 boiler has earned Energy
Star rating, with an impressive 95.1% AFUE rating. This could qualify the homeowner for local utility rebates, if available. The Evergreen Pro's
smooth performance adds to the greener environment sustainability with straightforward, user friendly design with advanced technology.
Simple user interface with complex calculations behind the scenes of the required energy to meet system demands is distributed across
all the boilers in the network. The system maximizes user's comfort by simultaneously meeting as many system demands as possible: When
there are multiple requests on a cascaded boiler system, the control satisfies both local and network heating demands. The built in
installation wizard asks direct questions on setup, making customization easy and straightforward. Contextual help is also available on screen.
Features
Can be converted to LP gas with the optional LP conversion kit (Not included)
Water content: 3.2 gallons
Stainless steel fire tube heat exchanger
Low water cut off with test button
Outdoor temperature sensor
Easy setup and installation with control wizard
Three thermostat inputs
Four total outputs: 1 - Dedicated boiler circulator output, 3 - additional outputs can be used with circulators, dampers or system auxilliary
The Bosch Greenstar is built using precision German engineering that includes Bosch designing and manufacturing all key components, like the unique heat
exchangerand control systems. It features reliable, ultra quiet operation, fast, easy installation and very low maintenance costs. The intelligent digital control systems
allow for precise boiler control using indoor and/or outdoor temperature sensing, as well as options for controlling domestic hot water. In addition, the Greenstar
includes a highly efficient 95% AFUE aluminum silicon heat exchanger.
Features
Heating only
24,600 to 79,000 BTU input - 71,000 BTU maximum heating capacity
Aluminum silicon heat exchanger
Modulating gas burner
Includes integral circulator
May be field converted to LP with included LP conversion kit
Concentric, one pipe, or two pipe venting
Can be vented with PVC, CPVC, Rigid polypropylene, Flexible polypropylene, or Stainless steel
Hydronic bracket for securing bottom of the boiler to the wall
Heatronic III control with high limit dials and digital display
The Bosch Greenstar is built using precision German engineering that includes Bosch designing and manufacturing all key components, like the unique heat
exchangerand control systems. It features reliable, ultra quiet operation, fast, easy installation and very low maintenance costs. The intelligent digital control systems
allow for precise boiler control using indoor and/or outdoor temperature sensing, as well as options for controlling domestic hot water. In addition, the Greenstar
includes a highly efficient 95% AFUE aluminum silicon heat exchanger.
Features
Heating only
36,000 to 152,000 BTU input - 135,000 BTU maximum heating capacity
Aluminum silicon heat exchanger
Modulating gas burner
Includes integral circulator
May be field converted to LP with included LP conversion kit
Concentric, one pipe, or two pipe venting
Can be vented with PVC, CPVC, Rigid polypropylene, Flexible polypropylene, or Stainless steel
Hydronic bracket for securing bottom of the boiler to the wall
Heatronic III control with high limit dials and digital display
The Bosch Greenstar is built using precision German engineering that includes Bosch designing and manufacturing all key components, like the unique heat
exchangerand control systems. It features reliable, ultra quiet operation, fast, easy installation and very low maintenance costs. The intelligent digital control systems
allow for precise boiler control using indoor and/or outdoor temperature sensing, as well as options for controlling domestic hot water. In addition, the Greenstar
includes a highly efficient 95% AFUE aluminum silicon heat exchanger.
Features
Heating and domestic hot water
36,000 to 132,000 BTU input - 118,000 BTU maximum heating capacity
3.20 GPM maximum DHW flow rate at 72 degree rise
Aluminum silicon heat exchanger
Modulating gas burner
Includes integral circulator
May be field converted to LP with included LP conversion kit
Concentric, one pipe, or two pipe venting
Can be vented with PVC, CPVC, Rigid polypropylene, Flexible polypropylene, or Stainless steel
Hydronic bracket for securing bottom of the boiler to the wall
Heatronic III control with high limit dials and digital display
DOE 2021 compliant - If boiler is fired at .95 gallons per hour: 133,000 BTU input - 117,000 BTU heating capacity - 87.0% AFUE -
If boiler is fired at 1.25 gallons per hour: 175,000 BTU input - 154,000 BTU heating capacity - 87.1% AFUE -
If boiler is fired at 1.50 gallons per hour: 210,000 BTU input - 183,000 BTU heating capacity - 86.1% AFUE - 14.75 gallons water
content - Beckett oil burner - Cast iron sections with steel push nipples - Insulated deluxe powder coated steel jacket - Wet base
section design - Taco 007 circulator - Full plate swing out burner door - Top or Rear flue outlet - Built in air elimination baffle
DOE 2021 compliant - If boiler is fired at .95 gallons per hour: 133,000 BTU input - 117,000 BTU heating capacity - 87.0% AFUE -
If boiler is fired at 1.25 gallons per hour: 175,000 BTU input - 154,000 BTU heating capacity - 87.1% AFUE -
If boiler is fired at 1.50 gallons per hour: 210,000 BTU input - 183,000 BTU heating capacity - 86.1% AFUE - 14.75 gallons water
content - Riello F5 oil burner - Cast iron sections with steel push nipples - Insulated deluxe powder coated steel jacket - Wet base
section design - Taco 007 circulator - Full plate swing out burner door - Top or Rear flue outlet - Built in air elimination baffle
Weil McLain high quality oil boilers feature long lasting cast iron sections and easy to use controls that optimize operation and comfort,
while maximizing energy savings. The Weil McLain WTGO series has a high capacity, high efficiency tankless heater included with each
boiler.There are rear and top flue outlets for complete venting flexibility.
Features
Minimum chimney requirement: 7 inch diameter x 15 feet high
Tankless coil: 4.00 gallons per minute intermittent draw rating when heated from 40 degrees to 140 degrees with 200 degree boiler water
Swing away burner door
Refractory blanket and target wall in combustion area
Insulated steel jacket
Water content: 15.9 gallons
Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet)
8,500 BTU input to 120,000 BTU input - 8,000 BTU heating capacity to 113,000 BTU heating capacity - Can be used with natural or LP gas
without a conversion kit - 1.02 gallons water content - Inox-Radial stainless steel heat exchanger - MatrixPlus stainless steel cylinder
burner - 7 inch color touch screen boiler control display - Multi-function outdoor reset boiler and system control - Variable speed circulator
- All pipe and electrical connections are on the bottom - Serviceable components are accessible from the front - Built in automatic frost
protection - Horizontal or vertical sealed combustion, hybrid sealed combustion double pipe vent systems, or single wall venting - 3/4
inch condensate drain connection
The Weil McLain designed ECO Tec boiler features a long lasting stainless steel fire tube heat exchanger and a next generation, easy
to use color touchscreen control. Installation is simple with the space saving wall mount design and 10 system presets and an easy to use
setup wizard. Spacious cabinet design and strategically positioned common parts for fast and easy access and service of the gas valve,
blower, heat exchanger and control module. There are multiple venting configurations, including direct vent or direct exhaust - sidewall, roof
or dual pressure zones.
Features
This boiler is heat only; no domestic hot water
Can be converted to LP gas with optional LP kit (Not included)
2 inch or 3 inch PVC, CPVC, Polypropylene or Stainless Steel vent pipe (Size depends on length of run)
Stainless steel fire tube heat exchanger
Built in Taco 0015e circulator
Four additional outputs can be used with circulators, dampers or system aux.
Zone and / or priority based control
Bluetooth connectivity ability with app
Water content: 3.1 gallons
Fully removable jacket door
Sealed cabinet design preheats incoming air and prevents debris going directly into the blower
Cast iron sections for better heat transfer and a compact design to save valuable living space. Easily accessible controls, vertical flueways
and top cleaning for easy and quick servicing
Features
Integrated boiler control module with intermittent electronic ignition system with integrated indicator and diagnostic lights
Weil McLain high quality oil boilers feature long lasting cast iron sections and easy to use controls that optimize operation and comfort,
while maximizing energy savings. The Weil McLain WGO series is a dedicated water only boiler and does not have a tankless heater or
cover plate. There are rear and top flue outlets for complete venting flexibility.
Features
Minimum chimney requirement: 6 inch diameter x 15 feet high
Tankless coil cannot be added (No tankless opening section)
Swing away burner door
Refractory blanket and target wall in combustion area
Insulated steel jacket
Water content: 13.4 gallons
Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet)
DOE 2021 compliant - If boiler is fired at .95 gallons per hour: 133,000 BTU input - 117,000 BTU heating capacity - 87.0% AFUE -
If boiler is fired at 1.25 gallons per hour: 175,000 BTU input - 154,000 BTU heating capacity - 87.1% AFUE -
If boiler is fired at 1.50 gallons per hour: 210,000 BTU input - 183,000 BTU heating capacity - 86.1% AFUE - 14.75 gallons water
content - Beckett oil burner - Cast iron sections with steel push nipples - Insulated deluxe powder coated steel jacket - Wet base
section design - Taco 007 circulator - Full plate swing out burner door - Top or Rear flue outlet - Built in air elimination baffle
Weil McLain high quality oil boilers feature long lasting cast iron sections and easy to use controls that optimize operation and comfort,
while maximizing energy savings. The Weil McLain WGO series is a dedicated water only boiler and does not have a tankless heater or
cover plate. There are rear and top flue outlets for complete venting flexibility.
Features
Minimum chimney requirement: 6 inch diameter x 15 feet high
Tankless coil cannot be added (No tankless opening section)
Swing away burner door
Refractory blanket and target wall in combustion area
Insulated steel jacket
Water content: 14.9 gallons
Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet)
Weil McLain high quality oil boilers feature long lasting cast iron sections and easy to use controls that optimize operation and comfort,
while maximizing energy savings. The Weil McLain WTGO series has a high capacity, high efficiency tankless heater included with each
boiler.There are rear and top flue outlets for complete venting flexibility.
Features
Minimum chimney requirement: 6 inch diameter x 15 feet high
Tankless coil: 3.75 gallons per minute intermittent draw rating when heated from 40 degrees to 140 degrees with 200 degree boiler water
Swing away burner door
Refractory blanket and target wall in combustion area
Insulated steel jacket
Water content: 13.4 gallons
Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet)
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