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Insert Garden Hose into Vent — Inspect and Manually Clear Surface Debris

Intermediate6 hours

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How to Clear a Clogged Plumbing Vent Stack · Step 2 of 5

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In this video

Insert the end of a garden hose into the plumbing vent stack opening. Push the hose down into the pipe about a foot or two to ensure it is secure and won't pop out when the water is turned on. Common clogs are caused by leaves, pine needles, or bird nests.

Goal: Prepare the vent stack for flushing

Used in this video

  • Garden Hose (brand: Not specified, Tool Type: Plumbing Tools, Material: Rubber, Length: Long, Power Source: Hydro-powered) — To flush water down the vent stack to clear the clog.
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FAQs

What are the most common signs that my plumbing vent stack is clogged, and not just a regular drain?

Common signs include multiple slow drains throughout your home, gurgling sounds from various drains or toilets, or a persistent sewer gas odor. If these symptoms appear in several fixtures simultaneously, it's a strong indicator of a main vent stack blockage rather than a localized drain issue.

How do I safely access my roof to clear the vent stack, especially if I'm not comfortable with heights?

Always use a sturdy extension ladder, like the XTEND+CLIMB 760P+, ensuring it's on level ground and secured. Wear slip-resistant shoes (e.g., Shoes For Crews) and consider having a spotter to stabilize the ladder. If you're genuinely uncomfortable or inexperienced with roof work, it's safer to call a professional.

What if my garden hose isn't long enough or powerful enough to clear the blockage in the vent stack?

If a standard hose like the GardenJoy 5/8 in. x 50 ft. doesn't reach or clear the clog, consider using a longer, more flexible hose like the Pocket Hose Silver Bullet 100 ft., which is designed to be kink-free. You might also need to use the drain auger (THEWORKS 3/8 in. x 25 ft.) as the next step for more stubborn blockages.

What should I do if the drain auger gets stuck in the vent pipe during the clearing process?

If the auger gets stuck, try gently rotating it counter-clockwise while pulling back to disengage it from the blockage or a pipe joint. Avoid excessive force, as this could damage the pipe or the auger itself. If it remains firmly stuck, do not force it; you may need to call a professional.

Transcript
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You can see I've stuck a garden hose in there. I know, again, most of you don't have a snake, and a lot of times this will solve the problem. You can get leaves from trees that can get in there, pine needles, birds can build nests and leave them stuck in there, and eventually, you know, it gets clogged up and can't function properly. A lot of times, again, a garden hose will do the trick, and so I've got it stuck in there about a foot or so, not too far just to make sure that it won't pop out when I turn the water on, and then we want to make sure when we do turn it on,

Auto-generated transcript. May contain errors.