What it delivers
The wassermann FL-AHRP115V01 Hot Water Recirculation Pump is a hot water recirculation pump.
It cuts the wait at distant fixtures by keeping hot water moving in the line; tankless heaters have a minimum flow, so follow the heater maker's recirculation instructions.
Use a timer or on-demand control so the heater isn't firing to keep the loop hot all day, and insulate the hot line to the far fixture.
Other listed details: material: Stainless Steel; model: FL-AHRP115V01.
The listing gives dimensions of 6.34 in (L) x 5.08 in (W) x 5.31 in (H) and adjustable temperature comfort valves, 3/8" compression to ½" threaded flex hoses (2) adapters with rubber washers in the box.
Right unit for this house?
Install it when
- Long waits for hot water
- Owners who flush their own heater
Look at another unit when
- Heaters whose manual calls for a different method
Strengths and trade-offs
Strengths
- Recirculation pump
Trade-offs
- Fit depends on your valves
Install limits
- Figures are the maker's or seller's own. Flow at a rise is our estimate from the input; gas, venting and electrical work needs a licensed professional.
Rated performance
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Model number | FL-AHRP115V01 | Retailer |
|---|---|---|
| Material | Stainless Steel | Retailer |
| Dimensions (seller) | 6.34"L x 5.08"W x 5.31"H | Retailer |
| Voltage | 115 V | Retailer |
Rival units at this flow
More descaling and maintenance kits rated for similar demand
Final verdict
A sensible recirculation pump for long waits for hot water.
Buy this unit
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