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1. Why does the fan continue to run after I turn off the hot water tap?
2. Do Rinnai tankless water heaters have a UL Rating?
3. Why is white smoke coming out of the exhaust?
4. Why don’t I have any hot water when I open the tap?
5. Can a Rinnai tankless water heater be converted to a different gas type?
6. Does a Rinnai tankless water heater have a standing pilot?
7. What are the power supply requirements for the Rinnai tankless water heater?
8. Can I install a Rinnai tankless water heater myself?
9. How much does a Rinnai tankless water heater cost?
10. Does Rinnai manufacture an electric tankless water heater?
11. Can the Rinnai tankless water heater be used on RVs and Houseboats?
12. Does Rinnai offer a battery backup system?
13. Can a Rinnai tankless water heater be used to heat a pool or spa?
14. Are Rinnai tankless water heaters approved for mobile homes?
15. Why does it take so long to get hot water?
16. What is the life expectancy of a Rinnai tankless water heater?
17. What is a cold water sandwich effect?
18. What is temperature rise?
19. What is the minimum water flow required to operate a Rinnai tankless water heater?
20. What type of periodic maintenance does Rinnai tankless water heater require?
21. Can a Rinnai external tankless water heater be used in cold climates?
22.What size gas line does a Rinnai tankless water heater require?
23. What does the Rinnai tankless water heater warranty cover?
24.What types of fuel do Rinnai tankless water heaters use?
25. Do Rinnai tankless water heaters qualify for the 2009 tax credit?
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