🔧 118681LF Bell & Gossett Lead-Free Buna Seal Kit No. 7
✅ Product Description
The Bell & Gossett 118681LF Lead-Free Buna Seal Kit No. 7 is a genuine OEM replacement designed to maintain pump integrity and prevent leaks at the shaft. Built from durable, lead-free Buna materials, this kit ensures long service life and compliance with modern standards.
The 118681LF fits a wide range of Bell & Gossett circulators and booster pumps, including Series 100, Series HV, PR, LD-3, HD-3, PD-35, PD-37, “AA” Series, and many obsolete pump lines. It also replaces older Seal Kit No. 7, part number 118681, and Armstrong 816706-021, making it a trusted universal service part for legacy and current models.
✅ Key Features
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✅ Lead-Free Buna Seal Kit – Provides safe and reliable sealing performance.
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✅ Direct Replacement for Seal Kit No. 7 – Replaces 118681 and Armstrong 816706-021.
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✅ Wide Compatibility – Fits Series 100, HV, PR, LD-3, HD-3, PD-35, PD-37, 60 “AA”, 90 “AA”, and more.
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✅ Supports Obsolete Pumps – Works with legacy 1", 1-1/4", 1-1/2", 2", and 1522 Series pumps.
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✅ Prevents Leaks & Extends Pump Life – Protects bearing assemblies from water intrusion.
📊 Specifications
| Specification | Detail |
|---|
| Part Number |
118681LF |
| Material |
Lead-Free Buna |
| Seal Kit No. |
No. 7 |
| Replaces |
118681, #7 Seal Kit, Armstrong 816706-021 |
| Fits Bearing Assemblies |
118844, 118844LF, 189134, 189134LF, 189105, 189105LF, 186863, 186863LF |
| Compatible Pump Models |
Series 100, 2-1/2" Series, Series HV, PR, LD-3, HD-3, PD-35, PD-37, 60 “AA”, 90 “AA”, obsolete 1522, obsolete 1", 1-1/4", 1-1/2", and 2" Series |
| Application |
Shaft seal replacement for B&G pumps |
| Brand |
Bell & Gossett |
⚠️ Common Symptoms (When Replacement Is Needed)
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Pump leaking at the shaft or seal area.
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Excessive water around bearing assembly.
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Pump losing efficiency due to worn seals.
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Preventive maintenance on Series 100 or similar models.
❓ Frequently Asked Questions (FAQ)
Q: What does the 118681LF replace?
A: It replaces the older Seal Kit No. 7 (118681) and Armstrong 816706-021.
Q: Which pumps does this fit?
A: It fits Series 100, HV, PR, LD-3, HD-3, PD-35, PD-37, 60 & 90 “AA” Series, and multiple obsolete B&G pumps (1", 1-1/4", 1-1/2", 2", 1522 Series).
Q: Is this seal kit lead-free?
A: Yes, the 118681LF is fully lead-free for compliance with modern plumbing codes.
Q: What bearing assemblies is this compatible with?
A: Fits 118844, 118844LF, 189134, 189134LF, 189105, 189105LF, 186863, 186863LF assemblies.
🛒 Shopping Tips
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🔍 Match Your Seal Kit Number – If your old kit is labeled “No. 7” or 118681, this is the correct lead-free replacement.
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⚙️ Check Pump Model – Verify compatibility with Series 100, HV, PR, or other listed models before ordering.
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🛠️ Inspect Bearing Assemblies – A worn seal may indicate the need for new bearings or a full assembly.
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📦 Keep a Spare – Seal kits are affordable and a common service part; keeping an extra reduces downtime.
