What is required at the connection to each fuel-oil-burning appliance?

At the connection to each fuel-oil-burning appliance, it is essential to have a shutoff valve present at each connection. This requirement is in place to ensure safety and facilitate maintenance. The shutoff valve allows for the safe and efficient isolation of the fuel supply when needed, such as during servicing, repairs, or emergency situations.

In the event of a leak or malfunction, being able to quickly and easily shut off the fuel supply can prevent potentially dangerous situations, such as fires or environmental hazards. Having a shutoff valve at each connection also contributes to compliance with safety regulations and ensures that operators can manage the fuel system effectively.

While having a single shutoff valve could provide a means to stop the fuel flow, it may not offer the same level of safety or convenience as individual valves at each appliance. Manual override switches are not a substitute for the required shutoff valves, as they serve different functions in the operation of fuel systems. Therefore, the requirement for a shutoff valve at each connection is crucial for the safe operation of fuel-oil-burning appliances.