What it delivers
The Laing LHB08100092 Hot Water Recirculation Pump is a hot water recirculation pump.
A recirculation pump moves hot water back toward the heater so the far tap runs hot sooner; check that your tankless heater's maker approves the setup.
Pumps come as under-sink kits with a crossover valve or as line pumps near the heater; check which setup your heater's manual allows.
Also on the listing: material: Brass; model: LHB08100092.
The listing gives dimensions of 0.1 in (L) x 5 in (W) x 7.5 in (H), a weight of 2.9 lb and ---- in the box.
Warranty, per the listing: Warranted against defects in materials and workmanship for 2 years from the date of manufacture or 1 year from the date of user purchase, whichever is sooner.
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
- Match it to your heater's fittings
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 | LHB08100092 | Retailer |
|---|---|---|
| Material | Brass | Retailer |
| Dimensions (seller) | 0.1"L x 5"W x 7.5"H | Retailer |
| Product weight | 2.9 lb | Retailer |
| Voltage | 115 V | Retailer |
| Warranty | Warranted against defects in materials and workmanship for 2 years from the date of manufacture or 1 year from the date of user purchase, whichever is sooner. | Retailer |
Rival units at this flow
More descaling and maintenance kits rated for similar demand
Final verdict
A practical recirculation pump for long waits for hot water.
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