when something did go wrong, it was a nightmare to fix. Plus, those pump-outs aren’t cheap.
Man, you’re not kidding about the pump-outs. I’ve seen folks nearly faint when they get that bill. Had a job last year where we had to jackhammer through a patio just to get at a clogged underground trap—felt like we were digging for buried treasure, except all we found was old grease and regret. Under-sink units might be messier day-to-day, but at least you don’t need a backhoe when things go sideways. Automatic ones? More bells and whistles, more headaches down the line... Murphy’s Law loves moving parts.
I get where you’re coming from, but honestly, I’d still take the underground trap over the under-sink ones for bigger kitchens. Yeah, "
" sounds like a nightmare, but those smaller units fill up so fast. I’d rather deal with a big headache every few years than a small one every week. Maybe it’s just me, but I hate cleaning out those little guys all the time...jackhammer through a patio just to get at a clogged underground trap
I totally get not wanting to deal with those little under-sink traps all the time. I’ve had a couple properties with them, and it felt like every other week someone was calling about a clog or nasty smell. The underground ones are a pain when something goes wrong, but honestly, I’ve only had to dig one up once in almost ten years. For bigger kitchens, I’d probably make the same call you would—less frequent hassle, even if it’s a bigger job when it happens. Sometimes you just pick your poison, right?
Honestly, I lean the other way. The underground traps might seem lower maintenance, but when they do need work, it’s a major hassle and expense—especially if you have to break concrete or dig up landscaping. With under-sink models, yeah, you’re cleaning them more often, but at least it’s a quick job and you can spot issues before they get out of hand.
Sometimes you just pick your poison, right?
True, but for me, smaller regular tasks beat surprise big-ticket repairs every time. I’d rather budget my time and money in predictable chunks than risk a huge bill down the line.
I get where you’re coming from—nobody likes the idea of jackhammering their floor just to clear a clog. But here’s the thing: in my experience, a properly sized and installed underground trap, with regular scheduled pumping, can go years without major issues. The key is making sure it’s not undersized or neglected, which is where a lot of folks run into trouble. I’ve seen some setups where the under-sink units get overwhelmed during a busy service, and then you’re dealing with backups in the middle of a rush. Not fun.
That said, I do think there’s something to be said for the peace of mind you get from being able to just pop open the under-sink trap and see what’s going on. It’s more hands-on, but you’re right—you catch problems before they snowball. Still, I wonder if the frequency of cleaning ever gets old for folks running larger kitchens. At what point does the labor involved start to outweigh the risk of a rare but expensive underground repair? I’ve seen places where staff get lax about maintenance, and then even the under-sink units cause headaches.
Curious if anyone’s found a sweet spot—like maybe using both types in tandem for different parts of the kitchen, or staggering maintenance schedules to avoid surprises. Or is it really just about picking your battles and hoping you picked right?