Bell & Gossett 118830 Steel Impeller – PR Series Pump Replacement
🔥 Product Overview
The Bell & Gossett 118830 Steel Impeller is a heavy-duty OEM replacement impeller designed to restore proper flow and pressure in PR Series circulator pumps. Manufactured from durable steel, this 4-1/4" diameter impeller delivers reliable performance in hydronic heating and cooling systems.
It is precision-balanced to reduce vibration and wear, making it an ideal solution for repairing PR pumps that are experiencing weak circulation, noise, or reduced system efficiency.
✅ Key Features
✔ Genuine Bell & Gossett replacement impeller
✔ Heavy-duty steel construction for long service life
✔ 4-1/4" diameter precision-balanced impeller
✔ Restores proper water flow and system pressure
✔ Reduces pump noise and vibration
✔ Direct replacement for multiple PR and Armstrong pump part numbers
📊 Specs Table
| Specification | Details |
|---|
| Brand |
Bell & Gossett |
| Part Number |
118830 |
| Material |
Steel |
| Impeller Diameter |
4-1/4" |
| Pump Series |
PR Series |
| Compatible Pumps |
PR Pumps 102206 (IB), 102207 (BI), 102208 (AB) |
| Application |
Circulator / hydronic pumps |
🔁 Replaces Part Numbers
• Armstrong 816301-025
• P-4500-F-0101-P
• P-40540
• PRZ-435
⚠ Common Symptoms
• Weak or no water circulation
• Low system pressure
• Noisy or vibrating pump
• Boiler overheating due to low flow
• Pump running but not moving water
❓ Frequently Asked Questions
Q: Is this an OEM impeller?
Yes — this is a genuine Bell & Gossett OEM replacement.
Q: Which pumps does this fit?
Fits PR Series pumps including models 102206 (IB), 102207 (BI), and 102208 (AB).
Q: Should I replace gaskets when installing?
Yes — always replace pump gaskets to prevent leaks.
Q: Can a worn impeller cause low heat?
Yes — worn impellers reduce flow, causing poor heat transfer.
🛒 Shopping Tips
🧭 Match your pump model number before ordering
🔧 Replace gaskets during installation
💧 Inspect pump housing for debris
