Boilers
• GWA Gas-Fired Water Boiler
• GWI Gas-Fired Water Boiler
• GWS Gas-Fired Water Boiler
• GSA Gas-Fired Steam Boiler
• OWB Oil-Fired Water Boiler
• OWT Oil-Fired Water Boiler
• OSB/T Oil-Fired Steam Boiler
Separators and Piping Kits
• SR 2.0, 2.5, + 3.0
• SR 3 Near Boiler Piping Kit
• SR 2.5 Near Boiler Piping Kit
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 GWA Gas-Fired Water Boiler
52,000 to 245,000 Btuh Input
Natural or Propane
Dimensions and Specifications
In PDF format:
User Information
Literature
Manual
Control Supplement |
Construction
• Atmospheric (chimney) venting
• Factory Packaged
• Factory Tested
• Easy service
+ One-piece access door
+ All controls in easy reach
• High efficiency
+ Flue baffles
+ Stainless steel burners
+ Automatic vent damper
• Cast iron sections
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty
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Equipment
• Cast iron sections with built-in air separator
• Vertical draft hood
• Electrical junction box
• 24-VAC combination gas valve
• Combination relay receptacle and 40VA
transformer and plug-in circulator relay
• Taco 007 circulator
• High temperature limit control
• 30 PSIG ASME relief valve
• Combination pressure/temperature gauge
Standing Pilot Models
• Constant-burning pilot system, thermally
supervised
Intermittent Pilot Models
• Spark-ignited (intermittent) pilot system
• Electronic ignition/flame supervisory control
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 GWI Gas-Fired Water Boiler
47,500 to 190,000 Btuh Input
Natural or Propane
Dimensions and Specifications
In PDF format:
User Information
Literature
Manual
|
Construction
• Induced-draft combustion system allows
sidewall or chimney venting
• Factory Packaged
• Compact Design
• Factory Tested
• Easy to service
+ One-piece access door
+ All controls in easy reach
+ Color-coded wiring
• High Efficiency
+ AFUEs to 83.3%
+ Spark-ignited pilot with electronic control
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty |
Equipment
• Insulated extended steel jacket
• Induced-draft blower assembly
• Air Pressure switch
• Stainless steel burners
• Electrical junction box
• 24-VAC combination gas valve
• Combination relay receptacle and 40VA
transformer and plug-in circulator relay
• Taco 007 circulator
• High temperature limit control
• 30 PSIG ASME relief valve
• Combination pressure/temperature gauge
• Spark-ignited (intermittent) pilot system
• Electronic ignition/flame supervisory
control
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 GWS Gas-Fired Water Boiler
63,000 to 158,000 Btuh Input
Natural or Propane
Dimensions and Specifications
In PDF format:
User Information
Literature
Manual
Venting |
Construction
• Sealed combustion option allows
use of outside combustion air
• Factory Packaged
• Compact Design
• Factory Tested
• Easy to service
+ One-piece access door
+ Plug-in wiring
+ Control module with diagnostic lights
• High Efficiency
+AFUEs to 85.3%
+Spark-ignited pilot with electronic control
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty |
Equipment
• Insulated extended steel jacket
• Induced-draft blower assembly
• Air Pressure switch
• Stainless steel burners
• Electrical junction box
• 24-VAC combination gas valve
• 40VA control transformer
• Plug-in wiring
• Taco 007 circulator
• High temperature limit control
• 30 PSIG ASME relief valve
• Combination pressure/temperature gauge
• Spark-ignited (intermittent) pilot system
• Electronic ignition/flame supervisory
control
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 GSA Gas-Fired Steam Boiler
75,000 to 250,000 Btuh Input
Natural or Propane
In PDF format:
User Information
Manual
|
Construction
• Atmospheric (chimney) venting
• Factory Packaged
• Factory Tested
• Easy service
+ One-piece access door
+ All controls in easy reach
• High efficiency
+ Generous heating surface
+ Automatic vent damper
• Cast iron sections
• Rugged construction for long life
+ Integral cast iron legs
+ Integral draft diverter
+ Insulated heavy-gauge steel jacket
+ Heavy-gauge aluminized steel flue collector
• 10-Year warranty on boiler sections
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Equipment
• Factory assembled cast iron sections
• 24-VAC combination gas valve
• Gauge glass and guard assembly
• Pressure gauge and siphon assembly
• Pressure limit control
• Probe low water cutoff
• High temperature limit control
• Automatic vent damper
• 15 PSIG ASME relief valve
• Constant-burning pilot system,
thermally-supervised
• Drain valve |
 OWB Oil-Fired Water Boiler
0.75 to 2.00 GPH Input
Dimensions and Specifications
In PDF format:
User Information
Literature
Manual |
Construction
• Factory Packaged
• Factory Tested
• Easy service
+ Swing-away burner door
+ Low draft loss
+ Top access cleanout cover
+ Plug-in wiring harness
• High efficiency oil burner
+ Flame retention head design
+ Solenoid valve
+ PSC motor
+ Solid state igniter
• Rear flue outlet
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty |
Equipment
• Factory-assembled cast iron section assembly,
including aluminized steel flue collector,
swing-away burner mounting door, with refractory
blanket and recessed target wall in combustion
chamber.
• Taco 007 circulator
• High efficiency flame-retention oil burner
(Beckett AFG, Weil-McLain QB, or
Carlin EZ)
• High limit control with circulator relay
• Built-in air separator
• Combination pressure/temperature gauge
• 30 PSIG ASME relief valve
• Drain valve
• Barometric damper
Optional
• Two-stage oil burner fuel unit
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 OWT Oil-Fired Water Boiler
0.75 to 2.00 GPH Input
With tankless heater
Dimensions and Specifications
In PDF format:
User Information
Literature
Manual |
Construction
• Factory Packaged
• Factory Tested
• Easy service
+ Swing-away burner door
+ Low draft loss
+ Top access cleanout cover
+ Plug-in wiring harness
• High efficiency oil burner
+ Flame retention head design
+ Solenoid valve
+ PSC motor
+ Solid state igniter
• Rear flue outlet
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty
|
Equipment
• Factory-assembled cast iron section assembly,
including aluminized steel flue collector,
swing-away burner mounting door, with refractory
blanket and recessed target wall in combustion
chamber.
• Taco 007 circulator
• High efficiency flame-retention oil burner
(Beckett AFG, Weil-McLain QB, or
Carlin EZ)
• High limit control with circulator relay
• Built-in air separator
• Combination pressure/temperature gauge
• 30 PSIG ASME relief valve
• Drain valve
• Barometric damper
• Tankless heater
Optional
• Two-stage oil burner fuel unit
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 OSB/T Oil-Fired Steam Boiler
1.00 to 2.00 GPH Input
Optional tankless heater
Dimensions and Specifications
In PDF format:
User Information
Literature
Manual |
Construction
• Factory Packaged
• Factory Tested
• Easy service
+ Swing-away burner door
+ Low draft loss
+ Top access cleanout cover
+ Plug-in wiring harness
• High efficiency oil burner
+ Flame retention head design
+ Solenoid valve
+ PSC motor
+ Solid state igniter
• Rear flue outlet
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty
|
Equipment
• Factory-assembled cast iron section assembly,
including aluminized steel flue collector,
swing-away burner mounting door, refractory
blanket and recessed target wall in combustion
chamber.
• Flame-retention oil burner
(Beckett AFG, Weil-McLain QB, or
Carlin EZ)
• High limit pressure control
• Probe low water cutoff
• Pressure gauge
• Siphon
• Gauge glass, gauge cocks and guards
• 15 PSIG ASME relief valve
• Drain valve
• Barometric damper
Optional
• Two-stage oil burner fuel unit
• Tankless heater, shipped in separate carton
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OWT Oil-Fired Water Boiler
0.75 to 2.00 GPH Input
With tankless heater
Dimensions and Specifications
In PDF format:
User Information
Literature
Manual |
Construction
• Factory Packaged
• Factory Tested
• Easy service
+ Swing-away burner door
+ Low draft loss
+ Top access cleanout cover
+ Plug-in wiring harness
• High efficiency oil burner
+ Flame retention head design
+ Solenoid valve
+ PSC motor
+ Solid state igniter
• Rear flue outlet
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty
|
Equipment
• Factory-assembled cast iron section assembly,
including aluminized steel flue collector,
swing-away burner mounting door, with refractory
blanket and recessed target wall in combustion
chamber.
• Taco 007 circulator
• High efficiency flame-retention oil burner
(Beckett AFG, Weil-McLain QB, or
Carlin EZ)
• High limit control with circulator relay
• Built-in air separator
• Combination pressure/temperature gauge
• 30 PSIG ASME relief valve
• Drain valve
• Barometric damper
• Tankless heater
Optional
• Two-stage oil burner fuel unit
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  SR 2, SR 2.5, SR 3
Low pressure steam separator
2.0", 2.5", & 3.0" Steam inlet
2.0" Steam outlet
Dimensions and Specifications:
SR 2
SR 2.5
SR 3 |
Construction
• Steel shell
+ Tested to 195 PSIG
+ Designed to 150 PSIG
+ Tested at 70°F
+ Designed to 400°F
• High Efficiency
+ Condensate baffle
+ Large volume drying chamber
+ Directed turning for slowing velocity
• Standard sizes threaded nipples
• Limited lifetime warranty
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 SR 3 Near Boiler Piping Kit
2" grey cast-iron fittings
Pre-measured, 2" + 1 1/2" pipe nipples |
• Point by point installation schematics provided
• Sealed shipping container
• Abundant drying area capacity for a higher quality steam to system
• Distinguished appearance profile for signature look
• Pre-packaged kit ensures speed of installation
+ No more missing fittings or cutting + thread
+ Less procurement time
+ Less supervision of installation
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 SR 2.5 Near Boiler Piping Kit
2" grey cast-iron fittings
Pre-measured, 2" + 1 1/2" pipe nipples |
• Point by point installation schematics provided
• Sealed shipping container
• Abundant drying area capacity for a higher quality steam to system
• Distinguished appearance profile for signature look
• Pre-packaged kit ensures speed of installation
+ No more missing fittings or cutting + thread
+ Less procurement time
+ Less supervision of installation
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