Weil-McLain GV90+5 Cast Iron High Efficiency Natural/LP Gas Fired Water Boiler, 91.9% AFUE, 175 BTU Input 140K BTU Output

• Durable design with low maintenance and factory tested
• Unique 7 pass heat exchanger design maximizes heat transfer
• Insulated extended steel jacket
• Cast iron sections with built-in air separator
• Condensing stainless steel secondary heat exchanger with air separator
• Steel base, control module with indicator lights, blower assembly with observation port
• Gas/air manifold assembly, gas/air orifice plate for natural gas and separate plate furnished for conversion to propane
• Stainless steel burner cone and ring assembly, negative regulation gas valve, hot surface ignition system, air pressure switch
• Taco 007 system circulator
• Built-in bypass circulator system with sensor for temperature control, condensate drain trap, sidewall vent termination kit, 40 VA transformer, electrical junction box
• 30 psi ASME relief valve boiler sections and secondary heat exchanger tested for 50 psi working pressure
• Water temperature limit switch, section block temperature limit switch, combination pressure and temperature gauge, drain valve, flue thermal fuse
• 1/2" gas connection
• 3-section
• 1" minimum pipe size

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weil-mclain gv90-6

weil-mclain gv90-6

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

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weil-mclain ultra399s4

weil-mclain ultra399s4

Weil-McLain GV90+5 Cast Iron High Efficiency Natural/LP Gas Fired Water Boiler, 91.9% AFUE, 140 BTU Input 113K BTU Output

• Durable design with low maintenance and factory tested
• Unique 7 pass heat exchanger design maximizes heat transfer
• Insulated extended steel jacket
• Cast iron sections with built-in air separator
• Condensing stainless steel secondary heat exchanger with air separator
• Steel base, control module with indicator lights, blower assembly with observation port
• Gas/air manifold assembly, gas/air orifice plate for natural gas and separate plate furnished for conversion to propane
• Stainless steel burner cone and ring assembly, negative regulation gas valve, hot surface ignition system, air pressure switch
• Taco 007 system circulator
• Built-in bypass circulator system with sensor for temperature control, condensate drain trap, sidewall vent termination kit, 40 VA transformer, electrical junction box
• 30 psi ASME relief valve boiler sections and secondary heat exchanger tested for 50 psi working pressure
• Water temperature limit switch, section block temperature limit switch, combination pressure and temperature gauge, drain valve, flue thermal fuse
• 1/2" gas connection
• 3-section
• 1" minimum pipe size

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weil-mclain gv90-5

weil-mclain gv90-5

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

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weil-mclain ultra299s4

weil-mclain ultra299s4

Weil-McLain GV90+4 Cast Iron High Efficiency Natural/LP Gas Fired Water Boiler, 91.9% AFUE, 105 BTU Input 84K BTU Output

• Durable design with low maintenance and factory tested
• Unique 7 pass heat exchanger design maximizes heat transfer
• Insulated extended steel jacket
• Cast iron sections with built-in air separator
• Condensing stainless steel secondary heat exchanger with air separator
• Steel base, control module with indicator lights, blower assembly with observation port
• Gas/air manifold assembly, gas/air orifice plate for natural gas and separate plate furnished for conversion to propane
• Stainless steel burner cone and ring assembly, negative regulation gas valve, hot surface ignition system, air pressure switch
• Taco 007 system circulator
• Built-in bypass circulator system with sensor for temperature control, condensate drain trap, sidewall vent termination kit, 40 VA transformer, electrical junction box
• 30 psi ASME relief valve boiler sections and secondary heat exchanger tested for 50 psi working pressure
• Water temperature limit switch, section block temperature limit switch, combination pressure and temperature gauge, drain valve, flue thermal fuse
• 1/2" gas connection
• 3-section
• 1" minimum pipe size

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weil-mclain gv90-4

weil-mclain gv90-4

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

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weil-mclain ultra230s4

weil-mclain ultra230s4

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

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

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

Peerless Boilers DE-03 Cast Iron Natural Gas Fired Water Boiler, 82.1% AFUE, 70K BTU Input 50K BTU Output
The Series DE boiler comes fully packaged and ready-to-install and is designed for installations with a conventional chimney or direct, through-the-wall venting. The boiler is constructed with more cast iron than other brands for more durability. As with all Peerless brand hot water, cast iron boilers, a low-water cutoff is provided as standard equipment for safe operation. The Series DE boiler is backed by one of the best warranties in the industry.

• Cast iron sections factory tested and assembled with steel push nipples
• Deluxe powder coated steel jacket reduces boiler heat loss
• Safety controls flame rollout shut-off switch and differential pressure switch
• Dependable spark ignition system
• Boiler reset control with low water cut-off for increased efficiency and safety
• Taco circulator
• 30 psi safety relief valve
• Drain valve
• Induced draft fan
• Temperature and pressure gauge (unmounted)
• 1 year warranty on all residential cast iron boilers

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DE-03-SPRK-WPC-N

DE-03-SPRK-WPC-N

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

Weil-Mclain WGO-6-S4 Oil Fired Cast Iron Water Boiler 6 Section 86%,

Weil-Mclain WGO-6-S4

Weil-Mclain WGO-6-S4