- Yellow Tipping:
- A flame condition caused by too severe a reduction in primary air. The yellow color is caused by glowing carbon particles in the flame. It can be corrected by the
injection of more primary air.
- Usually a brass casting that holds both the hot and cold valves and the mixing chamber for the water. May also refer to an assembly of copper or other metal
which serves the same function.
- Yoke Vent:
- A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stacks.