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Top-Rated Drain cleaners in New Haven - Updated Nov 2026

Avatar for Z Plumberz of New Haven
Z Plumberz of New Haven
4.7(
35
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera Locate

Serving New Haven, CT and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Mike and Todd did a great job. They replaced my main sewer line very quickly. This is an old house, they did material research to make sure the repair was correct, and they worked in tight space under the house. They were on time and fast, and the work was excellent."
Response time2 hrs
Recommended by96%of homeowners
Avatar for Leo’s plumbing solutions
Leo’s plumbing solutions
5.0(
2
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving New Haven, CT and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"Outstanding service and communication from start to finish. Leo Plumbing solution was excellent from the moment I scheduled the appointment Leo confirming timing, providing updates on arrival, and following through exactly as promised. He listened carefully to my concerns and repaired both my main shutoff valve and hose bib efficiently and professionally. The pricing was fair and transparent, especially compared to another plumbing quote I received that was unreasonably high. I felt confident in the work being done and appreciated the honesty. I was referred to Leo Plumbing solutions by a family friend who highly recommended them, and I?m very glad I took that advice. Great team, great communication, fair pricing, and excellent results. They resolved my leak and water loss issue completely. Highly recommend! Services Plumbing leak detection, Plumbing pipe repair, Faucet repair, Faucet installation, Plumbing leak repair, Service not"
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Drain Cleaning FAQs, answered by experts

Yes, you can pour water down the toilet to help it flush. For each flush, you’ll need 1 to 2 gallons of water for newer toilets or 3 to 5 gallons of water for older toilets. Rather than dumping the entire bucket in all at once, pour the water in slowly for the best results. If you’re pouring water down the toilet to help it flush after a clog, only use 1 gallon of hot water.

Most commercial liquid drain cleaners work in 15 to 30 minutes. Consult the label on the bottle for additional instructions or time suggestions to prevent damage to your drainpipes. Alternative solutions such as baking soda, salt, white vinegar, and/or boiling water can take longer since they are less harsh than liquid drain cleaners.

To unclog a plumbing vent, you first need to locate it. Look at your home's roofline. The plumbing vent will be a vertical pipe sticking straight up from the roof. Since this pipe runs all the way to the main drain underneath your house, you should also be able to find it in the attic.

Professional plumbers use many high-grade chemicals to unclog drains. Many use hydrochloric acid, known as muriatic acid, when it comes to extreme blockages. 

If you have a sink stopper, it can feel more challenging to clean the drain without removing it, but here are a few simple steps:

  • Pour ½ cup baking soda into the drain using a funnel

  • Pour 1 ½ cups vinegar into the drain

  • Close the sink stopper for 15–20 minutes

  • Open the drain

  • Pour 2 cups of boiling water down the drain (be cautious as boiling water can damage some types of pipes)

If the drain isn’t unclogged, repeat the process.

The New Haven, CT homeowners’ guide to drain cleaning services

From average costs to expert advice, get all the answers you need to get your job done.