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Disconnect Plumbing — Obtain Quotes from Multiple Plumbers

Beginner4 hours

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Garbage Disposal & Sink Replacement Cost · Step 2 of 3

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In this video

Disconnect the drain pipe and dishwasher hose from the garbage disposal. Loosen the screws on the drain pipe first, then remove the hose clamp from the dishwasher hose and pull off the hose.

Goal: Disconnect the drainpipe and dishwasher hose from the existing disposal unit.

  • Place a container or rag under the disposal to catch any water that might spill out.
  • If you have a dishwasher, the hose from the dishwasher to the disposal may be stuck. If so, try prying it loose with a flathead screwdriver.

Used in this video

  • Screwdriver (brand: Any brand, alternatives: Pliers, adjustable wrench) · optional — Removing screws and loosening hose clamps
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FAQs

What's a realistic budget range for replacing both a kitchen sink and garbage disposal, considering DIY versus hiring a professional?

DIY costs typically range from $300-$800, primarily for the sink, disposal, and basic plumbing supplies. Hiring a professional can increase the total to $700-$1500+, as you'll also pay for labor, which averages $150-$300 per hour, plus potential permit and old unit disposal fees.

What are the most significant factors that drive up the cost of a new kitchen sink and garbage disposal replacement?

Key cost drivers include the sink's material (e.g., granite composite and cast iron are pricier than stainless steel), the garbage disposal's horsepower and features, and brand reputation. Additionally, complex plumbing configurations, cabinet modifications, and unexpected issues with old connections can increase labor costs.

Beyond the sink and disposal units themselves, what other materials or tools should I budget for if I plan to DIY the installation?

You'll need to budget for essential plumbing supplies like plumber's putty, silicone caulk, new P-trap components, and possibly shut-off valves. Basic tools such as a pipe wrench, screwdriver, adjustable wrench, and safety glasses are also crucial, and you might need specialized tools like a basin wrench or garbage disposal wrench.

How can I accurately compare quotes from different plumbers to ensure I'm getting a fair price for installation?

Request detailed, itemized quotes that clearly separate costs for labor, the sink/disposal (if supplied by them), additional materials, permit fees, and disposal of the old units. Compare these line by line and inquire about warranties on their work. Don't hesitate to check references and online reviews for each plumber.

Transcript
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disposal before you continue next up I'm going to take this drain pipe off right over here which is held in by two screws there's one screw on this side and another one on the other side and if you have a dishwasher you're going to have another hose that comes in and goes into the garbage disposal up on top I'm going to take this hose clamp off and we're going to take this hose off as well and one more thing I'm going to do is loosen this connector right here so that I can swivel this pipe to the side when we're going to be taking this garbage disposal out the nice thing about this job is that we're only working with drain piping so we don't have to shut any water off but do keep in mind that there is some remainder water inside the disposal and the pipes so when you start taking things off there might be some water that pours out so you might want to have a container a rag or just some paper towels on the bottom to catch some of that water now that I got the plate off I can just go ahead and swivel this to the side just like that just a fair warning the hose from the dishwasher that goes into the disposal can be really hard to pull off sometimes they're just super stuck on so if you're yanking on it and you're trying to twist it and wiggle it and it's not coming out one thing you can try doing is sticking a flathead screwdriver in right between the disposal and the end of the hose and just try to push it out this way and sometimes it works real nice other times you just have to keep struggling until it comes off once you get it moving just a little bit then it should be pretty easy to get the rest of it off or not oh there you go and the last thing we need to do is

Auto-generated transcript. May contain errors.