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home Fix label Heating label_important Home Heating Systems

watts Model - 9D-M3-1/2'' backflow preventer?

I replaced the leaking backflow valve twice this month and each one leaked after installation.Any idea's what could be
wrong? The original valve lasted 10 yrs. before leaking.
john balles, September 2007
home Fix label Heating label_important Home Heating Systemsdone
Water line had dirt in it from installation of new feed supply.
Flushed line, cleaned valve,reinstalled valve and OK now not
leaking

john balles, October 2007

Fix Fault - Heating

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Fan tries to run every 15 seconds then stops immediately?

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Fix Fault - Heating

home label Heating label_important Home Heating Systems

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