What r/Plumbing keeps coming back to
Complaints raised here by more than one person. One-off posts are not included.
187 recurring problems · 1012 threads read · read since September 2026 · Reddit
Raised more than once here
Most people first.
- 53How to handle a bad contractor who won't fix poor work“I walked in a rental once and said “god damn that drywall patch looks like shit”… then the tenant told me that he did it because he couldn’t get maintenance to come out.”
- 51How to fix a leaking water pipe in a tight space“Water line in the attic has a leak. What’s the best way to fix it? It’s right under the ductwork. Kinda in an uncomfortable stop to work in.”
- 36Why are contractor and window replacement quotes so absurdly high?“I got this garbage disposal on sale at Costco. I was told that it’s a commercial garbage disposal. Would it required special tools or installation to replace my existing disposal with this one?”
- 30How to find reliable contractors who actually show up“Hello do you know a decent contractor that can replace Poly B in Quebec ?”
- 30Should I pay for appliance repair or fix it myself?“Can this sink be repaired or does it have to be replaced?”
- 27How to remove a stripped recessed retaining screw“I’m trying to remove this very rusty screw, but it’s completely stuck, WD-40 didnt do anything,”
- 26How to find replacement parts for discontinued hardware“I recently bought a used countertop dishwasher (comfee CDC22P1BBB) off of facebook marketplace and of course it’s missing pieces.”
- 25How do I know if I can DIY a repair or need a pro?“Do I need water mitigation for a leak we caught pretty quickly?”
- 25Why do I feel so overwhelmed after starting a new job?“im starting at a new company and just fear I don’t know what I’m doing or so afraid I’ll make a mistake and make a bad impression.”
- 24How to clear a clogged AC condensate drain line“I am getting suds coming up in the condensation line during a laundry cycle.”
- 23How to fix previous owner DIY nightmares“This is under my kitchen sink. When the kitchen gets remodeled we’re gonna have all of this tore out but in the mean time, this is what we’ve got.”
- 22How to choose between different HVAC replacement quotes“What type of boiler would be suitable to heat a second with old cast iron radiators?”
- 20Electrician installed an outlet instead of a generator inlet box“We had a new garbage disposal installed today, do the wires look right?”
- 20Sump pump dumping water back near the foundation“The new vanity has a shelf right at drain level.”
- 19How to unclog a drain blocked by hardened materials“The bar sink won’t drain! Woodworkers or painters decided to wash their buckets of epoxy resin out in a bar sink and this happened.”
- 18How to get a contractor to fix damage they caused“Right after the job was finished, I started hearing a constant running water sound, and my subsequent water bills were absolutely astronomical.”
- 18Why does flushing one toilet pull water out of another?“My wife and I have been smelling sewer gas in this bathroom since the day we moved in, and I’ve been trying to track down the source.”
- 18How to find hidden home defects after buying“Just bought a house, went to replace the downstairs toilet and this is what I just found.”
- 18Water keeps getting in the house during heavy rain“just had a coworker incur >100k in damage after a toilet supply popped and ran full bore for three days while no one was home.”
- 16How to know which replacement part code to buy“I can't seem to find any hose with the same threads as this. It seems like a generic faucet, I don't see any branding.”
What this forum worries about more than the rest
How much more often a topic shows up here than across every forum we read.
toilet repair14.5×kitchen sink14.5×toilets14.5×sink repair14.5×