Across
- 2. The type of element in an electric water heater
- 4. Made up of three parts. tee, nipple and cap
- 6. The device in the flue to slow clown the flue gases
- 10. Sacrificial rod
- 13. The process that causes water to circulate when heated
- 15. The relief valve to prevent explosion (3 words)(first word abbreviated)
- 16. Short piece of pipe used to align a fitting
- 19. Type of fittings used in gas fitting
- 20. Safety device to insure a pilot flame is lit
- 22. Used to make the final connection on a gas line
Down
- 1. Composed of 2 parts hydrogen and one part oxygen
- 3. short piece of pipe, threaded on both ends
- 4. Where the flue connects at the water heater (two words)
- 5. Where the flue goes
- 7. What is an anode rod made out of
- 8. The stop on a gas line (two words)
- 9. Water in excess of 110 degrees F.(two words)
- 11. The part of the heater that burns the gas
- 12. What material is used for water piping
- 14. A valve designed to prevent tho tank from imploding (two words)
- 17. The small flame that lights the burner
- 18. A valve to drain the tank
- 21. To eliminate the air in a system