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Recirculation From Pump
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PERFORMANCE PLUS Non-Condensing Tankless Gas Water …
images.thdstatic.comBuilt-In Recirculation 199,900 BTU/h Indoor model Only (For other variants consider on-demand recirculation pump kit) Extended cabinet houses pre-plumbed recirculation pump for easy install and clean look Recirculation provides faster hot water at the tap saving homeowner time Max. Pipe Lengths: 3/4" copper pipe – 400 ft. total
YARWAY ARC PUMP PROTECTION VALVES (AUTOMATIC …
www.emerson.comBy providing recirculation flow to the inlet of the pump, the 9100 ARC helps ensure a minimum flow for stable pump operation. The modulating 9100 ARC recirculates only the flow required to help ensure a minimum flow through the pump at all times. Recirculation flow is not required under full process main flow