The RHB is a vertical shell type, two pass design hot water generator.
The combustion chamber is enclosed by a water jacket. An air jacket encloses the water jacket. The air blower is attached at the bottom. Air is preheated before it enters the combustion chamber, thus increasing efficiency.
Capacities available are from 20,000 Kcals/hr to 1,50,000 Kcals/hr. Standard models are available in light oil firing with the rugged Ross burner. Gas fired units are also available. Outlet temperature normally is 95ยบ C.
Due to the shell type design, unit is ideally suited for higher water flow rates. Being very easy to run & maintain, it is one of the most popular designs in the market today.