• 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

• 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

• 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

• 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

• 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 0014 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
• 1-1/4" 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 EVG220

• Stainless steel fire tube heat exchanger with non-metallic base
• Modulating condensing boiler
• 4 pump/auxiliary outputs (example: 1 boiler loop pump plus 3 zone pumps)
• Up to 8 multiple boiler control with lead/lag rotation
• Modbus to BMS connectivity
• Each input can be assigned to a priority (up to 3 priorities)
• Multiple inputs can be assigned one priority (zone based control)
• All lag boiler inputs and output can be used
• 0-10 VAC Input (modulation or set point)
• Configurable auxiliary input/output system
• Boiler circulator - taco ECM 007e (70/110), taco ECM 0015e (155)
• Negative regulated combustion
• 5 to 1 turndown ratio (70-155)
• Propane conversion kit, low water cut-off, water treatment - inhibitor and test kit
• Easy installation with setup wizard, zone and/or priority based control, (3) thermostat inputs, outdoor reset for each priority, rate adjustable per priority
• Fully removable jacket front door, adjustable boiler legs
• Mounting bracket ready for wall mount kit shipped standard with 70-155
• Condensate trap
• 12-year heat exchanger limited warranty, 5-year parts limited warranty

Weil-Mclain EVG155

Weil-Mclain ECO155

SMP-199

SMP-150