Volume water heaters
Mighty Therm 2 boiler by Laars combined with 80-gal storage tank
The Mighty Stack volume water heater by Laars combines the Mighty Therm 2 boiler with an 80-gal storage tank resulting in 199, 300, and 399 MBH sizes fueled by natural or propane gas. With less than 10 ppm NOx emissions, the sealed-combustion Mighty Stack offers 83% thermal efficiency and meets low lead requirements. This light commercial product is designed for apartments, restaurants, hotels, laundries, schools, and businesses. Key assets include its small footprint, a removable upper boiler section for easy handling, common venting, and up to 50 ft of Category I or III venting. Thanks to the rugged steel cabinet, the Mighty Stack can be installed inside or outside. Standard components include tank aquastat, pressure-relief valve, hot surface pilot ignition, and an integral induced-draft fan to allow for either horizontal or vertical venting.
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