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
  
  

  Weil-Mclain GV90-4

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 CGI6PINS4 Natural Gas Fired Cast Iron Water Boiler 83% AFUE 158K BTU,

Weil-Mclain CGI6PINS4

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 CGA6PIDNS3 Natural Gas Fired Cast Iron Water Boiler Spark 84% AFUE 166K BTU

weil-mclain cga6pidns3

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 CGA4PIDNS3 Natural Gas Fired Cast Iron Water Boiler Spark 100K BTU 84% AFUE 100K BTU

weil-mclain cga4pidns3

Oil Fired Cast Iron Water Boiler 5 Section 86% W/Tankless,

Weil-Mclain WTGO-5-S4

Weil-McLain Cast Iron Oil Fired Boiler,

Weil-Mclain WTGO-4-S4

Weil-McLain Cast Iron High Efficiency Oil Fired Water Boiler with Coil, 85% AFUE, 133 MBH Input, 114 MBH Heating

Factory tested and assembled cast iron section assembly
• Tankless heater (P-units) or tankless opening cover plate (A-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
• Includes 007 circulator
• Combustion temperature controls, LWCO and circulator relay
• Electrical junction box with wiring harnesses
• Junction box cover plate with service switch
• (2) vent pipe brackets
• Pressure and temperature gauge
• 30 psi ASME pressure relief valve
• Drain valve
• Barometric damper
• 3/4" NPT temperature control
• 1-1/4" circulator flange for P-units, 1-1/2" for A-units
• Temperature ranges from 40 - 140 deg F
  
  

  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-5-S4 Oil Fired Cast Iron Water Boiler 5 Section 86%,

Weil-Mclain WGO-5-S4