Why it matters
The SuperBrute UP15-42F moves 0 to 15.5 GPM over 1 to 15 ft of head with a maximum input of 85 W. The cast iron body has two 3/4 in bolt holes; flanges are sold separately.
It's maintenance free and quiet, for small hydronic loops.
Who it's for, and who should skip it
Good fit if
- Small boiler loops
- Zone circulators
Look elsewhere if
- Potable water
- Large systems
Pros and cons
Pros
- Low power
- Quiet
- Grundfos quality
Cons
- Flanges extra
- Single speed
- Closed loops only
Limitations to weigh
- Circulators are sized to the heating loop; match the replacement to the old pump's flange size and speed setting.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Product weight | 6.92 lb | Retailer |
|---|---|---|
| Dimensions (seller) | 5.25 x 4.19 x 6.5 inches | Retailer |
| Model number | 59896155 | Retailer |
| Material | Cast Iron | Retailer |
| Voltage | 115 V | Retailer |
| Wattage | 25 watts | Retailer |
| Max flow (maker) | 15.5 GPM | Retailer |
| Housing | cast iron | Retailer |
Alternatives worth comparing
More booster & recirculation pumps we cover
- ZeroPone 93 W Recirculating Pump
- VEVOR 93 W Recirculating Pump
- AB 25PBG-7 Circulation Pump
- Grundfos Comfort System 595916 Recirculation Pump
All booster & recirculation pumps, compared in one table · Every Grundfos product we cover
Final verdict
A solid small circulator.
Where to buy
Our links open this exact model's product page. Prices and stock change; check what's included before you order.
Prices change often; the button shows today's price.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure
Questions buyers ask
What's the flow range?
0 to 15.5 GPM.
Are flanges included?
No.