The “H-BOX SingleZone” system is designed to facilitate hot water circulation in larger residential and commercial buildings where pressure control stations exist on hot water risers.
These PRV stations create a low pressure zone which prohibits circulation by the hot water plant circulation pump and therefore requires a solution to circulate the hot water downstream of the PRV station.
All components are Watermark approved.
H-BOX ‘single zone’ hot water circulating system, consisting of heat exchanger, dual circulating pumps and controller, expansion control, air release valve, and ancillary components to facilitate circulation of hot water after a pressure control valve station where separate pressure zones are created.
Code | connection | Other details |
---|---|---|
HBS-5 | 25mm | 5kW @ 3degC temperature loss and 0.4 l/s flow rate. Left or right primary connection. |
HBS-12 | 40mm | 12kW @ 3degC temperature loss and 0.9 l/s flow rate. Left or right primary connection. |
HBS-22 | 50mm | 22kW @ 3degC temperature loss and 1.8 l/s flow rate. Left or right primary connection. |
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