Check the listing for details. AUTOHOT R099A On-demand Hot Water Recirculating Pump System.. Condition: New. Listed at 372.00 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 nuts100% Hot Water Recirculating Pump System. UL and NSF61 Certified. Meets title 24 requirements.Works 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.Multiple options exist but the standard AutoHot controller comes as a standard with a temperature sensor.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.