What r/Plumbing keeps coming back to
Complaints raised here by more than one person. One-off posts are not included.
472 recurring problems · 3600 threads read · read since September 2026 · Reddit
Raised more than once here
Most people first.
- 126How 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.”
- 114Should I pay for appliance repair or fix it myself?“Can this sink be repaired or does it have to be replaced?”
- 111How 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.”
- 79How to find reliable contractors who actually show up“Hello do you know a decent contractor that can replace Poly B in Quebec ?”
- 77How to get an entry level job with no experience“I’m currently studying Level 3 Plumbing. I want to start doing some basic plumbing jobs before I get my NVQ.”
- 69Why 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?”
- 57How 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?”
- 57How 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,”
- 55How to choose between different HVAC replacement quotes“What type of boiler would be suitable to heat a second with old cast iron radiators?”
- 52How to fix a dead lawn on a new house without experience“should I put grass seed down now or wait until early spring to give the ground time to settle?”
- 50How to fix a leaky plumbing valve that doesn't fit a new faucet“So the valve isn’t sitting flush on the connector to the faucet, meaning I gotta replace it.”
- 48Water 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.”
- 47How 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.”
- 46Why does my new plumbing still have bad water pressure and risky joints?“It looks like the 90-Degree fittings will snap and flood the house one day. Am I crazy? That bend must be putting a lot of pressure on the fitting.”
- 43How to clear a clogged AC condensate drain line“I am getting suds coming up in the condensation line during a laundry cycle.”
- 43How 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.”
- 43Why 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.”
- 42How to get a stuck bathtub stopper cap off“How do I remove this tub stopper? I have to clear a hair clog but I cannot get this stopper out!!!”
- 37Why 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.”
- 37Why is there a mystery wet dog or sour smell in the house?“The pipes under my sink and in the boiler room stink, it’s a horrible smell. It’s very sweet but almost like sweetcorn.”
What this forum worries about more than the rest
How much more often a topic shows up here than across every forum we read.
kitchen sink12.8×toilets12.8×toilet repair12.8×faucet repair12.8×