In hot water!

1. This ensures that hot water is only ever a short distance from any faucet.
3. Water is heated by this process in electric tanks as heat passes through a tank wall.
5. The process of using water to convey heat.
7. Another fixture to assist in removing air from a hydronic system.
10. There is good money to be made if you are_________
11. American Society of _________ Engineers(ASME).
13. Sensing device commonly used to signal the presence of a pilot flame.
15. Scaling occurs when these chemicals precipitate out of water as it's heated inside the water heater
16. In hospitals, using water between 180-190 degrees
17. Type of tubing used in a hydronic system.
18. Water heaters made after 2004 can be installed directly onto the floor regardless of what code says.
19. This occurs when a water-filled copper line touches a dissimilar metal.

2. Heating method does not require any medium to pass heat.
4. This bulb is coated with a thin plastic film to minimize the chance of scale buildup.
6. Scale can build up on the inside of a water heater and reduce heat transfer.
8. This type of tank allows for expansion on your circulation line.
9. A mixture of hot and cold water is called_______
12. The energy ________ device turns off all energy input if the temperature exceeds the tank preset value.
14. Water heater sizing charts will consider number of _____ as well as bathrooms for proper sizing.
15. Heat transfers through a fluid medium.