Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.

• Heat only sizes: 80, 110, 150 , 199 MBH

• Combi sizes: 110,150,199 MBH (up to 5.4 GPM)

• Wall or floor base mounting options

• Stainless steel firetube heat exchanger design

• Unity 2.0 control with color touch screen

 OPTIONAL EQUIPMENT

•  Easy Up manifold
• Isolation flush valves (for combi)
  
• Paintable sidewall vent termination
  
• 2” & 3” concentric vent terminations
  
• Low water cutoff w/manual reset & test button
  
• Condensate neutralizer
  
• Water treatment and test kit
  
• Maintenance kit
  
• Parts kit
  
• Propane conversion kit
•  System sensors
• Boiler pedestal kit 

Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.

• Heat only sizes: 80, 110, 150 , 199 MBH

• Combi sizes: 110,150,199 MBH (up to 5.4 GPM)

• Wall or floor base mounting options

• Stainless steel firetube heat exchanger design

• Unity 2.0 control with color touch screen

 OPTIONAL EQUIPMENT

•  Easy Up manifold
• Isolation flush valves (for combi)
  
• Paintable sidewall vent termination
  
• 2” & 3” concentric vent terminations
  
• Low water cutoff w/manual reset & test button
  
• Condensate neutralizer
  
• Water treatment and test kit
  
• Maintenance kit
  
• Parts kit
  
• Propane conversion kit
•  System sensors
• Boiler pedestal kit 

Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.

• Heat only sizes: 80, 110, 150 , 199 MBH

• Combi sizes: 110,150,199 MBH (up to 5.4 GPM)

• Wall or floor base mounting options

• Stainless steel firetube heat exchanger design

• Unity 2.0 control with color touch screen

 OPTIONAL EQUIPMENT

•  Easy Up manifold
• Isolation flush valves (for combi)
  
• Paintable sidewall vent termination
  
• 2” & 3” concentric vent terminations
  
• Low water cutoff w/manual reset & test button
  
• Condensate neutralizer
  
• Water treatment and test kit
  
• Maintenance kit
  
• Parts kit
  
• Propane conversion kit
•  System sensors
• Boiler pedestal kit 

Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.

• Heat only sizes: 80, 110, 150 , 199 MBH

• Combi sizes: 110,150,199 MBH (up to 5.4 GPM)

• Wall or floor base mounting options

• Stainless steel firetube heat exchanger design

• Unity 2.0 control with color touch screen
 
 OPTIONAL EQUIPMENT

•  Easy Up manifold
• Isolation flush valves (for combi)
  
• Paintable sidewall vent termination
  
• 2” & 3” concentric vent terminations
  
• Low water cutoff w/manual reset & test button
  
• Condensate neutralizer
  
• Water treatment and test kit
  
• Maintenance kit
  
• Parts kit
  
• Propane conversion kit
•  System sensors
• Boiler pedestal kit 

Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.

• Heat only sizes: 80, 110, 150 , 199 MBH

• Combi sizes: 110,150,199 MBH (up to 5.4 GPM)

• Wall or floor base mounting options

• Stainless steel firetube heat exchanger design

• Unity 2.0 control with color touch screen
OPTIONAL EQUIPMENT

•  Easy Up manifold
• Isolation flush valves (for combi)
  
• Paintable sidewall vent termination
  
• 2” & 3” concentric vent terminations
  
• Low water cutoff w/manual reset & test button
  
• Condensate neutralizer
  
• Water treatment and test kit
  
• Maintenance kit
  
• Parts kit
  
• Propane conversion kit
•  System sensors
• Boiler pedestal kit 

Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.

• Heat only sizes: 80, 110, 150 , 199 MBH

• Combi sizes: 110,150,199 MBH (up to 5.4 GPM)

• Wall or floor base mounting options

• Stainless steel firetube heat exchanger design

• Unity 2.0 control with color touch screen
 
OPTIONAL EQUIPMENT

•  Easy Up manifold
• Isolation flush valves (for combi)
  
• Paintable sidewall vent termination
  
• 2” & 3” concentric vent terminations
  
• Low water cutoff w/manual reset & test button
  
• Condensate neutralizer
  
• Water treatment and test kit
  
• Maintenance kit
  
• Parts kit
  
• Propane conversion kit
•  System sensors
• Boiler pedestal kit 
  

Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.

• Heat only sizes: 80, 110, 150 , 199 MBH

• Combi sizes: 110,150,199 MBH (up to 5.4 GPM)

• Wall or floor base mounting options

• Stainless steel firetube heat exchanger design

• Unity 2.0 control with color touch screen

 OPTIONAL EQUIPMENT

•  Easy Up manifold
• Isolation flush valves (for combi)
  
• Paintable sidewall vent termination
  
• 2” & 3” concentric vent terminations
  
• Low water cutoff w/manual reset & test button
  
• Condensate neutralizer
  
• Water treatment and test kit
  
• Maintenance kit
  
• Parts kit
  
• Propane conversion kit
•  System sensors
• Boiler pedestal kit 

• 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

ULTRA399S4

• 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

ULTRA299S4

• 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

ULTRA230S4

• 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

• Easy heat, effortless comfort, durable, flexible
• Stainless steel fire-tube heat exchanger, non-metallic heat exchanger base
• Negative regulated combustion, 10 - 1 turndown ratio, Propane conversion kit, low water cut-off, sentinel x100 inhibitor and test kit, low NOx less than 20 ppm
• Easy installation with set-up wizard, zone and/or priority based control, 3-thermostat inputs, outdoor reset for each priority, rate adjustable per priority, 0 - 10 VAC input modulation or set point
• 4-total outputs - 1-dedicated boiler circulator output, 3-additional outputs can be used with circulators, dampers or system aux
• Aux inputs are flow switch or end switch, aux outputs are system pump or damper, Modbus connectivity
• 1-1/4" and 1-1/2" flanges taco 0013 boiler circulator
• Dual pressure zones, common combustion air
• Easy maintenance with top access panel, fully removable jacket front door, adjustable boiler legs, on/off power switch, line VAC age service receptacle, mounting bracket ready for wall-mount kit, condensate trap
• PVC, CPVC, PP, SS vent materials
• 3/4" gas connection
• 1-1/2" minimum pipe size
• 12 years heat exchanger, 2 years parts warranty for residential use, 10 years heat exchanger, 2 years parts warranty for commercial use

Weil-McLain evg399

EVG399