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Old 02-11-2015, 09:23 AM   #16
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Is that expansion tank tethered so it could not slide off of the top of the water heater?
No, the only thing keeping it there is the cpvc. I believe the tank manufacturer (Wilking) requires at least a strap to hold it in place. It is no where near what I saw in the model home. They tell you everything is to be built to code but they will use the cheapest, even if its at the cost of a $10-20 support. I'm suprised that it not being straped inplace isn't against code. Codes are suppost to protect the people purchasing the property from shotty installs that could cause possible injuries or damage to their property.
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Old 02-11-2015, 11:00 AM   #17
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My inspectors would not pass that due to possible lateral pipe movement. If the tank is secured then no issue.
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Old 02-11-2015, 02:18 PM   #18
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Ayuh,.... I ain't a Plumber, 'n don't know squat 'bout codes, but I'd be embarrassed by that whole installation,...
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Old 05-30-2015, 10:07 PM   #19
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Follow up question about expansion tank


I'm not sure if it would be an issue if tank is laid on it side or installed below the cold water line. Would anyone think if the bladder failed (and most homeowners would never check much less know what the tank is) is there a chance for bacteria to build up in the tank if it can't empty out after a long period of time? I would want the tank hung where it could drain on its own if the bladder failed. Am I over thinking this?
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Old 05-31-2015, 06:47 AM   #20
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I'm not sure if it would be an issue if tank is laid on it side or installed below the cold water line. Would anyone think if the bladder failed (and most homeowners would never check much less know what the tank is) is there a chance for bacteria to build up in the tank if it can't empty out after a long period of time? I would want the tank hung where it could drain on its own if the bladder failed. Am I over thinking this?
If the bladder in the tank fails then there is no longer any expansion of hot water. Normally the T&P on the hot water tank will start to drip.
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Old 05-31-2015, 10:38 AM   #21
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If the bladder in the tank fails then there is no longer any expansion of hot water. Normally the T&P on the hot water tank will start to drip.
Thanks, Ghostmaker. That makes sense. Appreciate your input.
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