An oil supply line under concrete must be continuous and without what?

The requirement for an oil supply line under concrete to be continuous and without splices ensures the integrity and safety of the system. Splices can create weak points in the line, which may lead to potential leaks, especially under the stress of concrete. If a splice were to fail, it could compromise not only the fuel supply but also the safety of the installation by increasing the risk of fuel leaks that could lead to fire hazards or environmental contamination.

Continuous piping is crucial in minimizing these risks, ensuring a single uninterrupted path for oil flow. This adherence to safety regulations helps maintain the efficiency of the heating system while minimizing the potential for unforeseen issues related to fuel leakage or system breakdown.