Description
The Advanced Distributor Products (ADP) 76739300 Flue Box Gasket is a precision-engineered OEM replacement gasket designed to maintain a secure, airtight seal at the flue box connection in compatible ADP furnace systems. A properly sealed flue box is critical to safe furnace operation — it prevents combustion gases from escaping into the living space and ensures that exhaust is directed efficiently through the venting system.
Key Features
- OEM replacement gasket engineered to ADP specifications
- Designed for use at the flue box assembly on compatible ADP furnaces
- Creates an airtight seal to prevent combustion gas leakage
- Helps maintain proper draft and venting efficiency
- Durable construction for long-lasting performance under heat and pressure cycling
- Direct drop-in replacement for simplified installation
Application
This flue box gasket is intended for use in ADP furnace units requiring flue box seal replacement. It is an essential component during routine furnace maintenance, heat exchanger service, or any repair involving the flue box assembly. Using the correct OEM gasket ensures a proper fit and maintains the integrity of the venting system.
Why Replace Your Flue Box Gasket?
- Worn or damaged gaskets can allow combustion gases — including carbon monoxide — to escape
- A failed seal can reduce heating efficiency and cause pressure switch faults
- Regular inspection and timely replacement supports safe, code-compliant furnace operation
Product Details
- Brand: Advanced Distributor Products (ADP)
- Part Number / SKU: 76739300
- Component Type: Flue Box Gasket
- Application: ADP Furnace Flue Box Assembly







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