ALPHA HWR 15-55 SF/T is a high-efficiency circulator fitted with a stainless steel housing. It is designed for circulating domestic hot water in systems with a dedicated return line. It features an integrated digital timer which enables scheduling through the Grundfos GO app and eliminates the need for a physical programmable timer. Homeowner can also set their own schedule through the Grundfos HOME app. With the use of its integrated temperature estimator, ALPHA HWR helps reduce complexity during installation as an external temperature sensor is no longer needed. The AUTOADAPT setting offers a simplified setup process removing the need to decide which setpoint to use. With FLOWSENSE, ALPHA HWR can solve a number of challenges commonly found in domestic hot-water recirculation systems. Using flow limits, ALPHA HWR reduces the risk of flow-accelerated corrosion in the recirculation pipes by reducing the flow velocities while still providing enough flow to start the most common tankless boilers.

• Stainless Steel pump housing
• Designed for domestic hot water in systems with a dedicated return line
• Integrated digital timer
• Homeowner can set their own schedule through the Grundfos HOME app
• External temperature sensor is not needed
• Flow Rate (gallons per minute): 8.37 GPM
• Voltage: 115V
• Thermal Protection: Electronic
• Pump Housing: Stainless Steel
• Maximum Operating Pressure PSI: 174.92 psi

Weight	5.324 lb
Color	Silver
Connection Size	3/4 in.
Connection Type	Threaded
Finish	Stainless Steel
Height	7.72 in.
Inlet Size	3/4 in.
Length	7.72 in.
Material	Metal
Room	Utility
Switch Type	Electric
Voltage	115V
Width	7.48 in.
Inventory Number	GRU92603110
MPN	92603110
Amps	0.32

• Specification Sheet