100277796 Lochinvar Blower Gasket – 8-3/4 Inch Square
Product Overview
The 100277796 Lochinvar Blower Gasket is an OEM replacement sealing gasket designed for blower assemblies on Lochinvar condensing boilers and water heaters. This gasket provides a secure, airtight seal between the blower and housing, helping maintain proper combustion air flow and preventing air leaks that can lead to performance issues or fault codes.
✅ Key Features
✅ OEM Lochinvar replacement blower gasket
✅ Ensures airtight seal for proper combustion air flow
✅ Helps prevent air leaks and blower-related fault codes
✅ Precision-cut 8-3/4 inch square design
✅ Durable gasket material for long service life
📋 Specifications
| Specification | Details |
|---|
| Lochinvar Part Number |
100277796 |
| Product Type |
Blower Gasket |
| Gasket Shape |
Square |
| Gasket Size |
8-3/4 Inch |
| Application |
Blower-to-housing seal |
| Manufacturer |
Lochinvar |
🔁 Replaces / Cross-Reference
-
100146347
-
GKT20017K
-
GKT20017
🚨 Common Symptoms This Part Fixes
-
Air leaks around blower assembly
-
Whistling or air noise near blower
-
Combustion or pressure-related fault codes
-
Reduced boiler efficiency
❓ Frequently Asked Questions (FAQ)
Q: What does the blower gasket do?
A: It seals the blower to the housing, preventing air leaks and maintaining proper combustion airflow.
Q: Is this an OEM Lochinvar part?
A: Yes, this is a genuine Lochinvar replacement gasket.
Q: What older part numbers does this replace?
A: It replaces 100146347, GKT20017K, and GKT20017.
Q: Should the gasket be replaced when removing the blower?
A: Yes, replacing the gasket is recommended whenever the blower is removed to ensure a proper seal.
🛒 Shopping Tips
-
Always match the blower gasket size and part number before ordering
-
Replace gaskets during blower service or replacement
-
Inspect sealing surfaces for debris or damage before installation
