Universal 266915 – Dungs Gao-a2-4-3 Gas Pressure Switch, 0.4-4″ W.c. Gadget [JMT36vay]

Dungs GAO-A2-4-3 Gas Pressure Switch

The Dungs GAO-A2-4-3 Gas Pressure Switch is a compact, ventless solution designed for industrial and commercial heating applications. This innovative switch offers precise control and safety features, making it an essential component for any heating system. With its modular valve train compatibility, the GAO-A2-4-3 is versatile and adaptable to various heating setups.

Key Features and Specifications

The GAO-A2-4-3 Gas Pressure Switch boasts several key features that set it apart from other pressure switches. Its ventless design ensures a secure and leak-free operation, minimizing the risk of gas leakage. The switch features an adjustable dial with an integrated scale, allowing for easy on-site set point adjustments. Additionally, the switch incorporates a vent limiter, as per UL 353 standards, which limits the escape of gas in case of internal switch diaphragm rupture. The following specifications further highlight its capabilities:

• Compatible with DMV dual modular valves, SV safety valves, MBC multifunctional controls, and FRI modular pressure regulators
• Supports dry natural gas, propane, butane, air, and other inert gases
• Up to 0.1% by volume dry H2S compatibility
• Mounts directly to DMV, FRI, and flanges
• Nema 4 rating for enhanced environmental protection

Applications and Benefits

The Dungs GAO-A2-4-3 Gas Pressure Switch is an ideal choice for a wide range of heating applications, including industrial and commercial heating systems. Its ability to make and break circuits when medium pressure changes relative to the set point ensures optimal performance and safety. By integrating this switch into your system, you can enjoy the following benefits:

• Enhanced safety through the vent limiter and leak-free operation
• Increased efficiency and reliability in heating systems
• Easy installation and maintenance due to its modular design
• Compatibility with various heating systems and components