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Mend State Industries PR650NBRT Plumbing

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Mend State Industries PR650NBRT Gas Sounds Model

Natural gas water heater makes knocking sounds, what to do?

This is a State Industries, model Select, PR650NBRT natural gas 50 gal unit. Plenty of hot water, but it intermittently makes knocking sounds while it heats water. It's about 7 years old. What do I need to do to stop the noise? Thanks

Tom
December 2009
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Find out how to mend State Industries PR650NBRT plumbing

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Mend D.I.Y, Plumbing
Find out how to mend State Industries PR650NBRT plumbing