Thermal Solutions has designed the Evolution® high efficiency copper-finned boilers to meet the needs of today's commercial heating requirements.

The Evolution takes the very best of existing copper-finned boiler technology to the next level by incorporating a list of design features not found in competitors' products. Real-life serviceability, innovative heat exchanger design, clean and efficient advanced combustion, and unique timesaving controls are all combined in a compact, quick-connect package. The Evolution is truly a step above the rest.

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Evolution - High Efficiency Hot Water Boilers - On/Off and Modulating, Outdoor

Evolution - High Efficiency Hot Water Boilers - Modulating, Outdoor
Evolution - High Efficiency Hot Water Boilers - On/Off and Modulating, Outdoor

Evolution - High Efficiency Hot Water Boilers - Modulating, Outdoor
Evolution - High Efficiency Hot Water Boilers - On/Off and Modulating, Outdoor

Evolution - High Efficiency Hot Water Boilers - Modulating, Outdoor
Evolution - High Efficiency Hot Water Boilers - On/Off and Modulating, Outdoor

Evolution - High Efficiency Hot Water Boilers - Modulating, Outdoor
Evolution - High Efficiency Hot Water Boilers - On/Off and Modulating, Outdoor

Evolution - High Efficiency Hot Water Boilers - Modulating, Outdoor
MBH Input N/A 500 MBtu/hour N/A 750 MBtu/hour N/A 1000 MBtu/hour N/A 1,500 MBtu/hour N/A 2000 MBtu/hour
On-Off N/A No
Modulating N/A Yes
Elect. 1-Phase N/A 120 208 230
Elect. 3-Phase N/A 208 230 460
Note N/A
Input: BTUH N/A 500,000 Btu/hr N/A 750,000 Btu/hr N/A 1,000,000 Btu/hr N/A 1,500,000 Btu/hr N/A 2,000,000 Btu/hr
Output: BTUH N/A 431,000 Btu/hr N/A 621,000 Btu/hr N/A 817,000 Btu/hr N/A 1,250,000 Btu/hr N/A 1,696,000 Btu/hr
Boiler N/A 12.9 hp126 kW N/A 18.6 hp182 kW N/A 24.4 hp239 kW N/A 37.3 hp366 kW N/A 50.7 hp497 kW
Low Input: BTUH N/A
Low Output: BTUH N/A
Sq. Ft. per BHP N/A 9.6 ft² N/A 7.1 ft² N/A 7.2 ft² N/A 7.1 ft² N/A 6.9 ft²
Drawing N/A
Dimensional Drawing for Evolution - High Efficiency Hot Water Boilers
Width: "A" N/A 28.25 in717.55 mm
Depth: "C" N/A 30.25 in768.35 mm
Height: "B" N/A 71.188 in1808.18 mm N/A 60.938 in1547.81 mm N/A 65.188 in1655.76 mm N/A 79.438 in2017.71 mm N/A 91.813 in2332.04 mm
Gas Connection: NPT N/A 1.25 in N/A 1-1/2 in N/A 1-1/2 in N/A 1-1/2 in N/A 1-1/2 in
Water Connections: NPT N/A 2 in N/A 3 in N/A 3 in N/A 3 in N/A 3 in
Air Inlet Connection N/A 4 in101.6 mm N/A 6 in152.4 mm N/A 6 in152.4 mm N/A 8 in203.2 mm N/A 8 in203.2 mm
Vent Connection N/A 4 in101.6 mm N/A 4 in101.6 mm N/A 6 in152.4 mm N/A 6 in152.4 mm N/A 6 in152.4 mm
Fuel N/A Natural Gas Propane
Shipping Weight N/A 772 Pound N/A 1097 Pound N/A 1185 Pound N/A 1327 Pound N/A 1461 Pound
Input - High Fire N/A 500,000 Btu/hr N/A 750,000 Btu/hr N/A 1,000,000 Btu/hr N/A 1,500,000 Btu/hr N/A 2,000,000 Btu/hr
Output - High Fire N/A 431,000 Btu/hr N/A 621,000 Btu/hr N/A 817,000 Btu/hr N/A 1,250,000 Btu/hr N/A 1,696,000 Btu/hr
Inlet Gas Pressure (NG) N/A 5 PSI Max. 5" W.C. Min. N/A 5 PSI Max. 7" W.C. Min. N/A 5 PSI Max. 7" W.C. Min. N/A 5 PSI Max. 7" W.C. Min. N/A 5 PSI Max. 9" W.C. Min.
Inlet Gas Pressure (LP) N/A 2 PSI Max. 5" W.C. Min. N/A 2 PSI Max. 7" W.C. Min. N/A 2 PSI Max. 7" W.C. Min. N/A 2 PSI Max. 7" W.C. Min. N/A 2 PSI Max. 9" W.C. Min.
Operating Weight N/A 823 lb373 kg N/A 1230 lb558 kg N/A 1322 lb600 kg N/A 1472 lb668 kg N/A 1615 lb733 kg
Electrical Supply Options (On-Off) N/A
Electrical Supply Options (Modulating) N/A 120v/1ph/60hz - 4.5 Amps 208v/1ph/60hz - 3.5 Amps 208v/3ph/60hz - 3.0 Amps 230v/1ph/60hz - 3.4 Amps 230v/3ph/60hz - 2.9 Amps 460v/3ph/60hz - 1.5 Amps N/A 120v/1ph/60hz - 7.5 Amps 208v/1ph/60hz - 6.6 Amps 208v/3ph/60hz - 6.0 Amps 230v/1ph/60hz - 6.4 Amps 230v/3ph/60hz - 6.0 Amps 460v/3ph/60hz - 3.0 Amps N/A 120v/1ph/60hz - 7.5 Amps 208v/1ph/60hz - 6.6 Amps 208v/3ph/60hz - 6.0 Amps 230v/1ph/60hz - 6.4 Amps 230v/3ph/60hz - 6.0 Amps 460v/3ph/60hz - 3.0 Amps N/A 120v/1ph/60hz - 7.5 Amps 208v/1ph/60hz - 6.6 Amps 208v/3ph/60hz - 6.0 Amps 230v/1ph/60hz - 6.4 Amps 230v/3ph/60hz - 6.0 Amps 460v/3ph/60hz - 3.0 Amps N/A 120v/1ph/60hz - 7.5 Amps 208v/1ph/60hz - 6.6 Amps 208v/3ph/60hz - 6.0 Amps 230v/1ph/60hz - 6.4 Amps 230v/3ph/60hz - 6.0 Amps 460v/3ph/60hz - 3.0 Amps
ASME Design Data N/A Max. 160 PSIG & 250ºF
Trim & Controls N/A Blower Motor, 1/2 HP Combustion Air Switch Flame Safeguard High Temperature Limit High/Low Gas Press Switches LWCO Flow Switch Modulating Gas Valve Operating Control Pilot Gas Regulator Pilot Gas Valve Pilot/Leak Test Cocks Pressure & Temperature Gauge Relief Valve VFD N/A Blower Motor, 1-1/2 HP Combustion Air Switch Flame Safeguard High Temperature Limit High/Low Gas Press Switches LWCO Flow Switch Modulating Gas Valve Operating Control Pilot Gas Regulator Pilot Gas Valve Pilot/Leak Test Cocks Pressure & Temperature Gauge Relief Valve VFD N/A Blower Motor, 1-1/2 HP Combustion Air Switch Flame Safeguard High Temperature Limit High/Low Gas Press Switches LWCO Flow Switch Modulating Gas Valve Operating Control Pilot Gas Regulator Pilot Gas Valve Pilot/Leak Test Cocks Pressure & Temperature Gauge Relief Valve VFD N/A Blower Motor, 1-1/2 HP Combustion Air Switch Flame Safeguard High Temperature Limit High/Low Gas Press Switches LWCO Flow Switch Modulating Gas Valve Operating Control Pilot Gas Regulator Pilot Gas Valve Pilot/Leak Test Cocks Pressure & Temperature Gauge Relief Valve VFD N/A Blower Motor, 1-1/2 HP Combustion Air Switch Flame Safeguard High Temperature Limit High/Low Gas Press Switches LWCO Flow Switch Modulating Gas Valve Operating Control Pilot Gas Regulator Pilot Gas Valve Pilot/Leak Test Cocks Pressure & Temperature Gauge Relief Valve VFD
Double Block & Bleed (D.B.& B.) Gas Train Option N/A (1) Motorized & (1) Solendoid Gas Valves N.O. Vent Valve N/A (1) Motorized & (1) Solenoid Gas Valves N.O. Vent Valve N/A (1) Motorized & (1) Solenoid Gas Valves N.O. Vent Valve N/A (1) Motorized & (1) Solenoid Gas Valves N.O. Vent Valve N/A (1) Motorized & (1) Solenoid Gas Valves N.O. Vent Valve
IRI W/ P.O.C. Gas Train Option N/A (2) Motorized Gas Valves with proof of closure switches Flame Safeguard that recognizes proof of closure valves N.O. Vent Valve
Evolution High Efficiency Domestic Hot Water Heating N/A

Get advanced Evolution high-efficiency heating technology in a factory-assembled Packaged Water Heater System. Available in direct and indirect designs, each comes complete with storage tank, pump, and controls to serve as your single-source solution for domestic water heating needs.