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Old 02-11-2016, 10:08 PM   #1
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Default Pre-Pressurized Steel Water Expansion Tank

Hi guys,

My water district just installed a Back Flow Preventer BFP (after the meter) and they are saying my water heater could blow up if I don't install a Pre-Pressurized Steel Water Expansion Tank. My question: Given my water heaters have Temperature and Pressure Relief Valves on them, do I still need the Pre-Pressurized Steel Water Expansion Tank and if yes, does this apply to both natural gas and electric water heaters or just the natural gas one? Thanks everyone! Charlie
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Old 02-11-2016, 10:10 PM   #2
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I would get a local plumbers opinion
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Old 02-11-2016, 10:16 PM   #3
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I would get a local plumbers opinion
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Old 02-11-2016, 10:19 PM   #4
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better turn the water off before it goes boom...
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Old 02-12-2016, 08:13 AM   #5
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Hey dumbass, look at the top of this page. Or since that's apparently too much work I'll move it here.
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Old 02-12-2016, 08:14 AM   #6
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Expert said I'm in immediate danger, bet double check with strangers on the internet
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Old 02-12-2016, 08:24 AM   #7
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Old 02-12-2016, 09:11 AM   #8
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Quote:
Originally Posted by challengermania
Hi guys, My water district just installed a Back Flow Preventer BFP (after the meter) and they are saying my water heater could blow up if I don't install a Pre-Pressurized Steel Water Expansion Tank. My question: Given my water heaters have Temperature and Pressure Relief Valves on them, do I still need the Pre-Pressurized Steel Water Expansion Tank and if yes, does this apply to both natural gas and electric water heaters or just the natural gas one? Thanks everyone! Charlie
forget the tank, I say let the T&P blow off on the floor you suggested.
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Old 02-12-2016, 03:29 PM   #9
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Quote:
Originally Posted by challengermania
Hi guys,

My water district just installed a Back Flow Preventer BFP (after the meter) and they are saying my water heater could blow up if I don't install a Pre-Pressurized Steel Water Expansion Tank. My question: Given my water heaters have Temperature and Pressure Relief Valves on them, do I still need the Pre-Pressurized Steel Water Expansion Tank and if yes, does this apply to both natural gas and electric water heaters or just the natural gas one? Thanks everyone! Charlie
Dude, I'd be more concerned with what's wrong with the water in YOUR house, that the water district put a back flow device in. What the hell you got going on in that house. The water district obviously doesn't want YOUR water leaking back & contaminating everyone else's! In my opinion, as a licensed master plumber, I feel you should be concerned about this installation & possibly look at getting out of the property. Hey, maybe you have an open rental property ya can move into.
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Old 02-12-2016, 03:33 PM   #10
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By the way, why does your water district think you have one water heater, when you clearly stated you have several? What kind of shenanigans are you up to in that town, fella?
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