Weil-Mclain 383-900-001 Evergreen Pro 299 Input MBtu 95% AFUE Natural Gas Condensing Water Boiler - Direct Exhaust Or Direct Vent

BOILER

• Stainless steel fire-tube heat exchanger
• Non-metallic heat exchanger base
• Floor standing or wall-mount option with kit
• Natural or LP gas
• Negative regulated combustion
• 10:1 turndown ratio
• Boiler circulator
• Low water cut-off
• Low NOx < 20 PPM
• 30 PSI ASME relief valve

CONTROL FEATURES

• Easy installation with Setup Wizard
• Zone and/or priority based control
• Three thermostat Inputs
• Outdoor reset for each priority
• Rate adjustable per priority
• 0-10V input (modulation or setpoint)
• Four total outputs
• - 1 dedicated boiler circulator output - 3 additional outputs can be used with circulators, dampers, or system aux
• Aux inputs – flow switch or end switch
• Aux outputs – system pump or damper
• Modbus connectivity
• Additional heat demand contact

BOILER CIRCULATORS

• 1-1/4” & 1-1/2” flanges (220/299) Taco 0014
• 1-1/4” & 1-1/2” flanges (399) Taco 0013

MULTIPLE BOILER FEATURES

• Up to 8 boilers, multiple system
• Series, Parallel, or SmartSequencing
• Lead boiler rotation
• 2 network priorities for the system
• 2 local priorities per boiler
• 24 zone inputs and outputs with 8 total cascaded boilers
• Aux inputs – flow switch or end switch
• System aux outputs – system pump or damper

VENTING

• Direct vent 100 ft. for intake and 100 ft. for vent
• Dual pressure zones (sidewall air intake, roof vent)
• Common combustion air
• Direct Exhaust

OPTIONAL EQUIPMENT

• Wall-mount kit
• Concentric vent kit
• Condensate neutralizer kit
• Sidewall vent/air termination kit
• Maintenance & parts kits
• 80 PSI ASME relief valve
• Propane conversion kit
• Sentinel X100 inhibitor and test kit
• Prefab manifold kit