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What is the size of the pipe connection for a gage cock?
3/4 inches
1/2 inches
1 inch
1-1/4 inches
The correct answer is: 1/2 inches
The standard size of the pipe connection for a gauge cock is commonly 1/2 inches. This size is appropriate for ensuring that the gauge can accurately read the pressure within the boiler system without excessive flow or turbulence that could affect the readings. Gauge cocks are installed on boilers to provide a point of measurement for pressure and should be sized correctly to match standard practices and regulations. A 1/2 inch connection prevents clogging and facilitates proper function while adhering to industry standards for most low-pressure boiler applications. By selecting the appropriate size, you ensure compatibility with the equipment and maintain the reliability of the pressure readings necessary for safe boiler operation. Choosing an incorrect size could lead to either inadequate readings or installation issues.