For gas heaters, relight the pilot ... Most new homes will have a pressure relief valve installed. These valves are typically ...

But how many gas valves does it take to quickly tame a plasma that is hotter than the sun? The team has to strike the perfect balance: with too few valves, some parts of SPARC might overheat.

Safety valves are critical devices designed to automatically release substances—gases or liquids—from a system when pressure ...