Check the listing for details. AUTOHOT R099A-USK On-demand Hot Water Recirculating Pump System.. Condition: New. Listed at 410.00 USD. Package Includes - 1 Control Box. 4 pairs of screws and wall anchors. 1 insulation tape. 1 manual. 1 hardwired push button assembly. 1 - 99 series pump hardware (0-33 gal per minute). 2 flanges. 4 bolts and nutsUnder Sink Kit Includes, 2 stainless steel flex lines. 1 tee with plug. 1 tee with threaded temp sensor assemblyWorks in any plumbing system, whether you have a dedicated return line or just standard plumbing, and works with any tank or tankless water heater. You can use with the Existing Pump Up to 1/3HP. AUTOHOT 55 Series pump hardware flow range is 0-25 gal per minute.You can control AUTOHOT on-demand Hot Water Recirculating Pump System with hardwired or Wireless Push Button From anywhere in the house with a range of up to 1000 feet.On-demand system will only turn on when there is hot water demand and if hot water isn’t already at the tap to save water and energyUse buttons to navigate and adjust how controller operates.Compliant with newest green construction, energy, and energy conservation codes with Multiple adjustments options5 year limited warranty with satisfactory solution. If you are not completely satisfied with our product, please feel free to contact our customer service team.