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Brand Name
Type
BTU Input
BTU Output
AFUE
Voltage
Fuel Type
Features:
Factory Tested
Probe Type Low Water Cutoff
Swing-away burner door
Top access cleanout cover
Plug-in wiring harness
High efficiency oil burner
Solenoid valve
PSC motor
Solid state ignitor
Rear flue outlet, Top flue available with optional kit
Cast iron sections
Insulated heavy-gauge steel jacket
Tankless heater option
Item#:
OSB-5-P-S3
Manufacturer Item:
OSB-5-P-S3
Manufacturer:
WILLIAMSON -THERMOFLO
Features:
Factory Tested
Probe Type Low Water Cutoff
Swing-away burner door
Top access cleanout cover
Plug-in wiring harness
High efficiency oil burner
Solenoid valve
PSC motor
Solid state ignitor
Rear flue outlet, Top flue available with optional kit
Cast iron sections
Insulated heavy-gauge steel jacket
Tankless heater option
Item#:
OSB-4-P-S3
Manufacturer Item:
OSB-4-P-S3
Manufacturer:
WILLIAMSON -THERMOFLO
Weil-McLain Ultra UG-399 Cast Aluminum High-Efficiency Condensing Natural/LP Gas Fired Water Boiler, 91.7% AFUE, 80K BTU Input, 62K BTU Ouptput
,
- 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 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
- 30 psi ASME relief valve
- Drain valve
- Stainless steel burner (80, 105) with woven steel fiber mesh (155, 230, 299 and 399)
- Variable speed blower assembly, Venturi mixing system with air silencer, negative pressure regulated gas valve, 50 VA transformer
- Dual scale temperature and pressure gauge, outlet water temperature sensor, inlet water temperature sensor, flue gas temperature sensor, outdoor temperature sensor
- System water temperature sensors, fully removable jacket front, adjustable boiler legs, on/off power switch, condensate trap with drain tee assembly, propane conversion orifice (all except model 80), water treatment - inhibitor and test kit
- Control module - 3.5" LCD display, 3-boiler priorities with multiple preset system configurations, color-coded removable terminal blocks, multiple boiler functionality, alarm control functionality, ignition control, high limit and modulating temperature control, low water protection, outdoor reset, ability to control any combination of 3 circulators
- PVC/CPVC/PP vent material
- 1-1/2" minimum recommended pipe size
- 1-1/4 and 1-1/2" flanges (399) taco 0013 boiler circulators
,
ULTRA80NS4
ULTRA80NS4
Item#:
ULTRA80NS4
Manufacturer Item:
383-500-732
Manufacturer:
WEIL-MCLAIN
Weil-McLain Ultra UG-399 Cast Aluminum High-Efficiency Condensing Natural/LP Gas Fired Water Boiler, 91.7% AFUE, 80 - 399K BTU Input, 364K BTU Ouptput
,
- 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 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
- 30 psi ASME relief valve
- Drain valve
- Stainless steel burner (80, 105) with woven steel fiber mesh (155, 230, 299 and 399)
- Variable speed blower assembly, Venturi mixing system with air silencer, negative pressure regulated gas valve, 50 VA transformer
- Dual scale temperature and pressure gauge, outlet water temperature sensor, inlet water temperature sensor, flue gas temperature sensor, outdoor temperature sensor
- System water temperature sensors, fully removable jacket front, adjustable boiler legs, on/off power switch, condensate trap with drain tee assembly, propane conversion orifice (all except model 80), water treatment - inhibitor and test kit
- Control module - 3.5" LCD display, 3-boiler priorities with multiple preset system configurations, color-coded removable terminal blocks, multiple boiler functionality, alarm control functionality, ignition control, high limit and modulating temperature control, low water protection, outdoor reset, ability to control any combination of 3 circulators
- PVC/CPVC/PP vent material
- 1-1/2" minimum recommended pipe size
- 1-1/4 and 1-1/2" flanges (399) taco 0013 boiler circulators
,
weil-mclain ultra399s4
weil-mclain ultra399s4
Item#:
ULTRA399S4
Manufacturer Item:
383-500-738
Manufacturer:
WEIL-MCLAIN
Weil-McLain Ultra UG-299 Cast Aluminum High-Efficiency Condensing Natural/LP Gas Fired Water Boiler, 92.5% AFUE, 62 - 299K BTU Input, 270K BTU Output
,
- 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 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
- 30 psi ASME relief valve
- Drain valve
- Stainless steel burner (80, 105) with woven steel fiber mesh (155, 230, 299 and 399)
- Variable speed blower assembly, Venturi mixing system with air silencer, negative pressure regulated gas valve, 50 VA transformer
- Dual scale temperature and pressure gauge, outlet water temperature sensor, inlet water temperature sensor, flue gas temperature sensor, outdoor temperature sensor
- System water temperature sensors, fully removable jacket front, adjustable boiler legs, on/off power switch, condensate trap with drain tee assembly, propane conversion orifice (all except model 80), water treatment - inhibitor and test kit
- Control module - 3.5" LCD display, 3-boiler priorities with multiple preset system configurations, color-coded removable terminal blocks, multiple boiler functionality, alarm control functionality, ignition control, high limit and modulating temperature control, low water protection, outdoor reset, ability to control any combination of 3 circulators
- PVC/CPVC/PP vent material
- 1-1/2" minimum recommended pipe size
- 1-1/4 and 1-1/2" flanges (299) taco 0014 boiler circulators
,
weil-mclain ultra299s4
weil-mclain ultra299s4
Item#:
ULTRA299S4
Manufacturer Item:
383-500-737
Manufacturer:
WEIL-MCLAIN
Weil-McLain Ultra UG-230 Cast Aluminum High-Efficiency Condensing Natural/LP Gas Fired Water Boiler, 94.1% AFUE, 46 - 230K BTU Input, 207K BTU Output
,
- 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 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
- 30 psi ASME relief valve
- Drain valve
- Stainless steel burner (80, 105) with woven steel fiber mesh (155, 230, 299 and 399)
- Variable speed blower assembly, Venturi mixing system with air silencer, negative pressure regulated gas valve, 50 VA transformer
- Dual scale temperature and pressure gauge, outlet water temperature sensor, inlet water temperature sensor, flue gas temperature sensor, outdoor temperature sensor
- System water temperature sensors, fully removable jacket front, adjustable boiler legs, on/off power switch, condensate trap with drain tee assembly, propane conversion orifice (all except model 80), water treatment - inhibitor and test kit
- Control module - 3.5" LCD display, 3-boiler priorities with multiple preset system configurations, color-coded removable terminal blocks, multiple boiler functionality, alarm control functionality, ignition control, high limit and modulating temperature control, low water protection, outdoor reset, ability to control any combination of 3 circulators
- PVC/CPVC/PP vent material
- 1-1/4" minimum recommended pipe size
- 1 and 1-1/4" flanges (155 and 230) taco 0014 boiler circulators
,
weil-mclain ultra230s4
weil-mclain ultra230s4
Item#:
ULTRA230S4
Manufacturer Item:
383-500-736
Manufacturer:
WEIL-MCLAIN
Weil-McLain Ultra UG-155 Cast Aluminum High-Efficiency Condensing Natural/LP Gas Fired Water Boiler, 0.94 AFUE, 31 - 155K BTU Input, 139K BTU Output
- 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 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
- 30 psi ASME relief valve
- Drain valve
- Stainless steel burner (80, 105) with woven steel fiber mesh (155, 230, 299 and 399)
- Variable speed blower assembly, Venturi mixing system with air silencer, negative pressure regulated gas valve, 50 VA transformer
- Dual scale temperature and pressure gauge, outlet water temperature sensor, inlet water temperature sensor, flue gas temperature sensor, outdoor temperature sensor
- System water temperature sensors, fully removable jacket front, adjustable boiler legs, on/off power switch, condensate trap with drain tee assembly, propane conversion orifice (all except model 80), water treatment - inhibitor and test kit
- Control module - 3.5" LCD display, 3-boiler priorities with multiple preset system configurations, color-coded removable terminal blocks, multiple boiler functionality, alarm control functionality, ignition control, high limit and modulating temperature control, low water protection, outdoor reset, ability to control any combination of 3 circulators
- PVC/CPVC/PP vent material
- 1-1/4" minimum recommended pipe size
- 1 and 1-1/4" flanges (155 and 230) taco 0014 boiler circulators
weil-mclain ultra155s4
weil-mclain ultra155s4
Item#:
ULTRA155S4
Manufacturer Item:
383500735
Manufacturer:
WEIL-MCLAIN
Standard Equipment:
Factory tested and assembled cast iron section assembly
(jacket and collector hood are not assembled on 7, 8 and 9 section blocks)
Tankless heater (Packaged* units) or
tankless opening cover plate (SemiPackaged* & Knocked-Down* units)
Insulated steel jacket
Aluminized steel flue collector hood with flue cap on top outlet
(convertible to rear outlet)
Swing-away burner mounting door
Refractory blanket and target wall in combustion area
Circulator (when ordered) Sizes 34: Taco 007e Sizes 56: Taco 007
Combination limit control, tanklessheater control and LWCO with
integrated service switch
Two vent pipe brackets
Pressure/temperature gauge
30 PSI ASME relief valve (boiler sections tested for 50 PSIG working pressure)
Drain valve
Barometric damper
Weil-Mclain WTGO-5-S4
Item#:
WTGO-5-S4
Manufacturer Item:
386-701-030
Manufacturer:
WEIL-MCLAIN
Standard Equipment:
Factory tested and assembled cast iron section assembly
(jacket and collector hood are not assembled on 7, 8 and 9 section blocks)
Tankless heater (Packaged* units) or
tankless opening cover plate (SemiPackaged* & Knocked-Down* units)
Insulated steel jacket
Aluminized steel flue collector hood with flue cap on top outlet
(convertible to rear outlet)
Swing-away burner mounting door
Refractory blanket and target wall in combustion area
Circulator (when ordered) Sizes 34: Taco 007e Sizes 56: Taco 007
Combination limit control, tanklessheater control and LWCO with
integrated service switch
Two vent pipe brackets
Pressure/temperature gauge
30 PSI ASME relief valve (boiler sections tested for 50 PSIG working pressure)
Drain valve
Barometric damper
Weil-Mclain WTGO-4-S4
Item#:
WTGO-4-S4
Manufacturer Item:
386-701-029
Manufacturer:
WEIL-MCLAIN
Standard Equipment:
Factory tested and assembled cast iron section assembly
(jacket and collector hood are not assembled on 7, 8 and 9 section blocks)
Tankless heater (Packaged* units) or
tankless opening cover plate (SemiPackaged* & Knocked-Down* units)
Insulated steel jacket
Aluminized steel flue collector hood with flue cap on top outlet
(convertible to rear outlet)
Swing-away burner mounting door
Refractory blanket and target wall in combustion area
Circulator (when ordered) Sizes 34: Taco 007e Sizes 56: Taco 007
Combination limit control, tanklessheater control and LWCO with
integrated service switch
Two vent pipe brackets
Pressure/temperature gauge
30 PSI ASME relief valve (boiler sections tested for 50 PSIG working pressure)
Drain valve
Barometric damper
weil-mclain wtgo-3-s4
Item#:
WTGO-3-S4
Manufacturer Item:
386-701-027
Manufacturer:
WEIL-MCLAIN
Weil-Mclain WGO-6-S4 Oil Fired Cast Iron Water Boiler 6 Section 86%,
Weil-Mclain WGO-6-S4
Weil-Mclain WGO-6-S4
Item#:
WGO-6-S4
Manufacturer Item:
386-701-016
Manufacturer:
WEIL-MCLAIN
Weil-Mclain WGO-5-S4 Oil Fired Cast Iron Water Boiler 5 Section 86%,
,
,
Weil-Mclain WGO-5-S4
Weil-Mclain WGO-5-S4
Item#:
WGO-5-S4
Manufacturer Item:
386-701-015
Manufacturer:
WEIL-MCLAIN