Grundfos ALPHA HWR 15-55 Return Line Pump
High-flow instant hot water for larger homes with a return line.
Regular Price
$1,399
Save $100 with installation
Bundle with installation
Add to a water heater install and pay only $1,299
Specifications
About This Product
The Grundfos ALPHA HWR 15-55 is a high-efficiency hot water return pump for larger homes or longer pipe runs with a dedicated hot water return line. It delivers up to 13.6 GPM at 18 ft head — the highest-capacity model in the ALPHA HWR series. Features AUTOADAPT technology and FLOWSENSE diagnostics for intelligent, energy-efficient operation.
Key Benefits
- Instant hot water at every faucet — even in large homes
- Highest-capacity ALPHA HWR model — 13.6 GPM at 18 ft head
- AUTOADAPT optimizes pump speed to match demand
- FLOWSENSE detects low-flow and alerts you
- Designed for larger homes or longer pipe runs
Frequently Asked Questions
What is the Grundfos ALPHA HWR 15-55 and who is it for?
The Grundfos ALPHA HWR 15-55 is the highest-capacity model in the Grundfos ALPHA HWR return pump series. It is designed for larger homes or longer pipe runs that have a dedicated hot water return line, delivering up to 13.6 GPM at 18 ft head for instant hot water at every fixture.
How much does it cost to add a Grundfos ALPHA HWR 15-55 to my water heater installation in Southern California?
Adding a Grundfos ALPHA HWR 15-55 Return Line Pump to your water heater installation costs $1,299 when bundled with a new water heater installation by THE Water Heater Company. The regular standalone price is $1,399.
What is the difference between the Grundfos ALPHA HWR 15-55 and the ALPHA HWR 15-29?
Both the Grundfos ALPHA HWR 15-55 and ALPHA HWR 15-29 require a dedicated hot water return line. The ALPHA HWR 15-55 handles up to 13.6 GPM at 18 ft head and is designed for larger homes or longer pipe runs. The ALPHA HWR 15-29 handles up to 11 GPM at 9.5 ft head and is better suited for smaller homes or shorter runs.
Does my home need a dedicated return line to use the Grundfos ALPHA HWR 15-55?
Yes — the Grundfos ALPHA HWR 15-55 requires a dedicated hot water return line. If your home does not have one, the Grundfos ALPHA CS 15-55 Comfort Pump is the correct solution, as it creates a recirculation loop through your existing cold water line without requiring new pipes.
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Best value when added at time of water heater installation — $1,299 vs. $1,399 standalone.
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