A caravan multiple hot water boiler heating system, consisting of 2 or more compact boilers installed in a series offers significant advantages in terms of installed cost, efficiency, flexibility and reliability. These multiple boilers fire in eithe sequential or parallel modulation depending on how they are set up. Advanced controls monitor outside conditions to modulate system water temperature. A microprocessor system control monitors the outside air temperature and the temperature of the water circulating through the building's heating system. As the outside temperature rises or falls, the Caravan system responds by lowering or increasing the system's water temperature. It automatically controls the muliple boiler input to match the actual heating demand. By firing just enough heat input to meet the demand, Caravan systems optimize efficiently through the entire year. Caravan boilers are energized one at a time as needed.
Boilers-Commercial 
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