How far should the union fitting for gas-fired appliances be located from the appliance?

• A. 3 feet
• B. 6 feet
• C. 9 feet
• D. 12 feet

Answer: (B)

The correct answer is that the union fitting for gas-fired appliances should be located 6 feet from the appliance. This requirement is in place to ensure safety and accessibility. By placing the union fitting at this distance, it allows for adequate space for maintenance and service work on the appliance without creating a hazard.

In the context of gas appliances, having the union fitting too close can complicate repairs or even create safety risks in the event of a gas leak or appliance malfunction. Conversely, positioning it too far away could make it difficult for technicians to access the fitting when needed. Therefore, the 6-foot distance strikes a balance between safety, accessibility, and functionality, reinforcing safe plumbing practices in residential settings.