Engineered for efficiency, built for reliability. The Hubbell Synergy Hydro BWP is a fully packaged indirect storage water heater. BWP heats potable water using boiler water from a condensing boiler or other heat sources. With plate type heat exchangers, the system can provide efficient heat transfer at temperatures below traditional U-tube bundles. HubbellConnect Elite digital controller offers complete running and temperature control. HydraStone™ cement-lined tank for longevity. Only non-ferrous components on domestic wetted side. Fully packaged system, ready for immediate installation. 150 and 500-1,000 gallon capacities available and higher domestic water recoveries available, please consult factory.