Across
- 1. Energy needed to heat one pound water
- 2. Electromagnetic relay for circuits
- 4. Aka blower wheel
- 6. A type Pitot tip
- 8. Open for serial number
- 9. Mixes air and gas for efficient combustion
Down
- 1. Has a red button the size or a quarter
- 3. Regulates temperature
- 5. Switch that activates with motor speed
- 7. Electromagnetic valve controlling gas flow