Description
Bell & Gossett 112014 Airtrol Tank Fitting Overview
The Bell & Gossett 112014 Airtrol Tank Fitting is a precision-engineered hydronic system component designed to connect compression or expansion tanks to hot water heating systems. By maintaining the proper air-water interface within the expansion tank, this fitting helps prevent tank waterlogging, protects system pressure balance, and extends the service life of your hydronic heating system.
Key Features
- 1″ pipe connection size for compatibility with standard hydronic piping configurations
- Designed to connect compression/expansion tanks to boiler and hot water heating systems
- Helps maintain proper air cushion within the expansion tank to prevent waterlogging
- Supports stable system pressure and efficient hydronic operation
- Durable construction built to Bell & Gossett’s industry-leading quality standards
- Direct OEM replacement for Bell & Gossett hydronic systems
Application
The Bell & Gossett 112014 Airtrol Tank Fitting is ideal for use in residential and light commercial hydronic heating systems. It is installed at the connection point between the expansion tank and the boiler loop, where it functions to preserve the air charge in the tank and prevent system pressure fluctuations caused by a waterlogged tank.
Why Choose Bell & Gossett?
Bell & Gossett has been a trusted name in hydronic heating for over a century. Their Airtrol fittings are a staple in the industry, recognized for reliability, ease of installation, and long-term performance in demanding heating system environments.







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