⚙️ B-811 SSC Outer Observation Port Gasket – Fits Burnham PF5 & V-11
The B-811 SSC Outer Observation Port Gasket is designed for reliable sealing of observation ports on Burnham PF5 and V-11 boilers. Made with durable SSC material, this gasket ensures a tight seal to prevent leaks and maintain efficient boiler operation.
✅ Key Features
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✅ Precision fit for Burnham PF5 and V-11 boilers
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✅ Durable SSC material resists heat and wear
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✅ Maintains efficient boiler operation by preventing leaks
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✅ Easy installation for quick maintenance
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✅ OEM-compatible replacement part
🧩 Specifications
| Specification | Detail |
| Part Number |
B-811 SSC |
| Application |
Outer Observation Port Gasket |
| Fits Models |
Burnham PF5, V-11 |
| Material |
SSC (Synthetic/Seal Composite) |
| Outer Diameter (OD) |
3 3/4" |
| Inner Diameter (ID) |
2 7/8" |
| Thickness |
Standard (as OEM) |
⚠️ Common Symptoms of Replacement Need
Replace the gasket if you notice:
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🔸 Leaks around the observation port
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🔸 Visible wear, cracking, or deformation
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🔸 Smoke or boiler pressure loss during operation
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🔸 Difficulty in maintaining proper boiler efficiency
❓ FAQ
Q: Can this gasket fit other Burnham models?
A: This part is designed specifically for PF5 and V-11 models. Fit on other models is not guaranteed.
Q: How do I install it?
A: Remove the old gasket, clean the surface, and press the new gasket into place ensuring a snug, even fit.
Q: Can I reuse the old gasket?
A: No. Reusing a worn gasket may cause leaks and reduce boiler efficiency.
🛒 Shopping Tips
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✅ Always verify your boiler model before purchasing.
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✅ Inspect the old gasket for damage to ensure full replacement is needed.
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✅ Ensure the surface is clean before installing the new gasket.
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✅ Keep a spare gasket on hand for regular maintenance.