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
  
  

  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
  
  

  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

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

ULTRA155S4

• Equipped with the industrys first intelligent combustion management system and powerful control technology
• Lasting performance with industry-leading Viessmann made SA240 316 Ti stainless steel Inox-Crossal heat exchanger
• Low emission combustion with fully-modulating Viessmann stainless steel matrix cylinder burner
• Fast installation and reduced maintenance with Lambda Pro, industry-first intelligent combustion management system: adjusts automatically to gas type and quality, no fuel conversion kit required
• Powerful and user-friendly: Viessmann Vitotronic on-board multi-function outdoor reset boiler and system control for multi-temperature space and DHW heating
• Greater venting flexibility with increased vent length up to 198 feet and multiple venting
• Compact, esthetic product design and zero clearance to combustibles
• Extremely quiet operation, quieter than most refrigerators
• True high-altitude operation up to 10000 feet with simple electronic adjustment
• 4" WC natural gas, 10" WC liquid propane gas
  
  

  viessmann cu3a353