Why it matters
The 25PBG-7 is a cast iron circulator with three speeds, 55, 90 and 130 W, for up to 13 GPM and 24 ft of head on high. It comes with 1 in NPT flanges, gaskets, nuts and bolts.
It's rated for 145 psi and 230 F, suiting radiant floors, boilers, solar loops and hot water recirculation.
Who it's for, and who should skip it
Good fit if
- Radiant floor heating
- Boiler loops
- Larger recirculation systems
Look elsewhere if
- Owners who want a timer
- Brand-name replacements
Pros and cons
Pros
- 13 GPM
- Flanges included
- Cast iron
Cons
- No timer
- Lesser-known brand
- Speed set manually
Limitations to weigh
- Circulators are sized to the heating loop; match the replacement to the old pump's flange size and speed setting.
- Hot water and electricity together: use a grounded outlet and follow the maker's installation steps.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Material | Cast Iron | Retailer |
|---|---|---|
| Dimensions (seller) | 6"L x 8"W x 6"H | Retailer |
| Product weight | 7 lb | Retailer |
| Max flow (maker) | 13 GPM | Retailer |
| Max head / lift (maker) | 33 ft | Retailer |
| Voltage | 110 V AC | Retailer |
| Horsepower | 1/6 HP | Retailer |
| Model number | 25PBG-7 | Retailer |
| Housing | cast iron | Retailer |
Alternatives worth comparing
More booster & recirculation pumps we cover
Final verdict
A capable low-cost circulator for heating loops.
Where to buy
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Questions buyers ask
How much flow?
Up to 13 GPM on high speed.
Are flanges included?
Yes, 1 in NPT flanges with gaskets and bolts.