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#1
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Cut Out Clogging Galvanized Waste Pipe and Lose Vent Stack Support?
The kitchen drain uses 2" galvanized piping that's fifty years old. It
clogs up sometimes and I have to use the power auger drill attachment to get things moving again. There is the potential that the drain could decide to clog when the dishwasher is draining and nobody is around to prevent the flooding. So, looking into replacing a section of galvanized pipe with PVC. It's all exposed in the basement so access is not a problem. What I noticed is that the pitch of the five feet of horizontal portion, before it reaches the 45 deg elbow going to the main waste line, is slightly in the wrong direction! So what I think is happening is the solids are settling back near the 90 deg sweap instead of heading downstream, thus choking of the sweep connecting the vertical portion coming from the sink to the horizontal section. My fear is that the horizontal run is probably pitched wrong because it is supporting the weight of the galvanized vent stack that tees off of where the p-trap enters the line upstairs. Cutting out the horizontal portion of the galvanized pipe could then create more problems if everything shifted. I don't want to try too hard to jack up the horizontal pipe given its age, but if I could just a bit what could I use to suspend the galvanized from the floor joist above it? This stuff is pretty heavy. Thanks! |
#3
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Cut Out Clogging Galvanized Waste Pipe and Lose Vent Stack Support?
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#4
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Cut Out Clogging Galvanized Waste Pipe and Lose Vent Stack Support?
And make certain with a level that the horizontal pipe is actually
sloping the wrong way before you start cutting. |
#5
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Cut Out Clogging Galvanized Waste Pipe and Lose Vent Stack Support?
wrote in message oups.com... The kitchen drain uses 2" galvanized piping that's fifty years old. It clogs up sometimes and I have to use the power auger drill attachment to get things moving again. There is the potential that the drain could decide to clog when the dishwasher is draining and nobody is around to prevent the flooding. So, looking into replacing a section of galvanized pipe with PVC. It's all exposed in the basement so access is not a problem. What I noticed is that the pitch of the five feet of horizontal portion, before it reaches the 45 deg elbow going to the main waste line, is slightly in the wrong direction! So what I think is happening is the solids are settling back near the 90 deg sweap instead of heading downstream, thus choking of the sweep connecting the vertical portion coming from the sink to the horizontal section. My fear is that the horizontal run is probably pitched wrong because it is supporting the weight of the galvanized vent stack that tees off of where the p-trap enters the line upstairs. Cutting out the horizontal portion of the galvanized pipe could then create more problems if everything shifted. I don't want to try too hard to jack up the horizontal pipe given its age, but if I could just a bit what could I use to suspend the galvanized from the floor joist above it? This stuff is pretty heavy. Thanks! Metal pipe tape. Just loop it under the pipe and nail it to an exposed floor joist before cutting. |
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