About Us
Tunstall Corporation is a family of brands from a family owned company

Founded in 1958, Tunstall Corporation is a recognized leader in the steam and hydronics industry. We operate in all facets of the industry, including design, engineering, manufacturing, sales and distribution. Tunstall is known for its industry expertise, quality products, resourcefulness and customer service. We combine our industry expertise with an entrepreneurial approach and professional management.
We are located in Chicopee, Massachusetts, where we maintain office, manufacturing and R & D space along with modern warehouse facilities. Tunstall Steam Traps, Steam Products, Macon Controls and Macon Balancing Products are distributed through an established network of representatives and distributors throughout North America.
We are members of the Association of Energy Engineers, the American Society of Heating and Refrigeration and Air-Conditioning Engineers (ASHRAE).
We are organized into five business units:
- Tunstall Steam Traps & Steam Products
- Macon Controls
- Macon Balancing
- Manufacturers’ Representation
- Energy Solutions
Innovative Radiator Valves and Sensors for Maximum Efficiency.
Macon Controls, a division of Tunstall Corporation, has been a trusted supplier of energy-efficient radiator valves and regulating sensors for the heating and cooling industry since 1975. Ideal for hydronic and low-pressure steam heating, Macon products deliver up to 30% energy savings and ensure precise temperature regulation. With innovative accessories like Umbrella Adapters™ and E-Z Fit™ Conversion Kits, Macon offers smart solutions to upgrade and optimize heating systems.
- One-Pipe Steam
- Conversion Insert
- Umbrella Adaptors
Need a headline to go here
Macon Controls, a division of Tunstall Corporation, has been a trusted supplier of energy-efficient radiator valves and regulating sensors for the heating and cooling industry since 1975. Ideal for hydronic and low-pressure steam heating, Macon products deliver up to 30% energy savings and ensure precise temperature regulation. With innovative accessories like Umbrella Adapters™ and E-Z Fit™ Conversion Kits, Macon offers smart solutions to upgrade and optimize heating systems.
- One-Pipe Steam
- Conversion Insert
- Umbrella Adaptors
Streamline Your System with Macon’s Comprehensive Balancing Valves.
Since 2005 Macon Balancing valves have quickly become consulting engineers’ and contractors’ preferred choice for all hydronic balancing requirements. Offering a complete balancing solution which includes multi-turn, manual venturi and automatic flow control valves, Macon Balancing is a “one stop shop” for all of your balancing needs.
- Y-Pattern Multi-turn Globe Automatic/Flow Limiting
- Manual Venturi
- Valve Packages