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Old 10-14-2021, 01:55 PM   #18
root1
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Join Date: Jun 2020
Location: Alton Bay
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I can just imagine, on some dark & stormy night when the power has failed at around 2am, an unknowing person gets out of bed to discreetly use the toilet without bothering to turn the lights on; flushes the toilet and .... SUCK SSSHHHHhhhh ...... not for the faint-of-heart! lol!
Hopefully, the system has a functioning check valve; maybe two; to prevent such an occurence!
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