DSI Water Heater

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Across
  1. 1. three separate probes
  2. 6. targeted flame
  3. 7. psi Pressure at which pressure and relief valve opens
  4. 9. switch located in the coach
  5. 11. Energy cut-off
  6. 12. Glass lined tanks
  7. 13. Able to check pressure at the appliance valve here
  8. 15. Aluminum tanks
Down
  1. 2. high voltage spark approx ___ volts
  2. 3. ECO opens at
  3. 4. Controls sparker and gas valve
  4. 5. twenty to thirty mV when heated
  5. 8. Normally closed temperature activated switch
  6. 10. exhaust gas
  7. 14. Spark and sense in one