Dual (upper and lower) Coil-Heat Exchanger Indirect Water Heater Two-coil indirect water heater is ideal for combination Domestic Hot Water and space-heating applications, or, use both coils in parallel to boost 1st hour performance up to 45% @ 200°F coil output. Single-wall full throat 1-1/2” diameter coil heat exchangers – upper and lower. 73 gallon and 108 gallon actual capacities. Standard 6 year residential tank and heat exchanger warranty; 3 year commercial warranty. 50SKE, 80SKE, 80SKDCE, 119SKE and 119SKDCE Models have 4500W electric heating element for supplemental heating when appliance is installed as solar-thermal water heater.

Vertical or Horizontal Large Volume Solar-Thermal Water Heater with Multiple Coil-Heat Exchangers Capacities ranging from 175 gallons to 1,040 gallons actual volume. Two to sixteen standard single-wall or optional double-wall internal coil heat exchangers (quantity subject to tank capacity). Foam insulation with rigid acrylic exterior finish. ASME construction. Five-Year warranty.

80%TE Power Direct Vent Commercial Gas Water Heater with Space-Heating Internal Coil Heat Exchanger Radiant heating and Domestic Hot Water combined in one appliance! Available in 75 and 100 gallon capacities – vents with 3” or 4” PVC, ABS or CPVC plastic pipe. Standard 5-year tank/heat exchanger commercial warranty. Single Turboflue® helical-fin heat exchanger provides 80% TE Domestic Hot Water. 180°F maximum settable temperature. Single internal coil heat exchanger provides heat for space-heating applications. Installation friendly ezFITdimensions, connections, and controls. Natural Gas or Propane Burners.

80% TE Power Burner Gas Commercial/Industrial Water Heaters Eleven models ranging from 400,000BTU to 1,500,000 BTU in 150, 200 or 250 nominal gallon sizes. ASME construction is standard on all models. Wet-leg design offers continuous operation and additional heat transfer capabilities. Feature Turboflue® helical finned heat exchangers. Equipped with Power Flame™ external burner.

80% TE Power Burner Gas Water Heaters Available in 32 to 113 gallon capacities with your choice of natural gas or LP gas burner. Standard 5-year tank/heat exchanger commercial warranty. Single Turboflue® helical-fin heat exchanger provides 80% Thermal Efficiency. Comes complete with a barometric draft control, spark ignition and 100% safety shut-off. Provided with Carlin® or Midco® powered burner.