The old tanks might’ve used more water, but at least they got the job done without all the drama.
I hear you on that—some of these “efficient” toilets seem to miss the point. From my experience, a lot of half flush issues come down to the setup. First thing I check is if the fill valve is letting enough water into the tank. Sometimes it’s set too low from the factory. Next, make sure the holes under the rim aren’t clogged up with mineral deposits (especially in older homes). If those two things are fine and it’s still weak, honestly, some models just weren’t designed well. I’ve swapped out a few that just couldn’t keep up, no matter what I tried. Sometimes you really do get what you pay for…
I’ve wondered if some of these “high efficiency” toilets are just too clever for their own good. I bought a budget dual-flush model last year, thinking I’d save on water bills, but the half flush barely moves anything. Ended up having to flush twice half the time, which kind of defeats the purpose, right? I did check the fill valve height and even cleaned out the rim holes after seeing some advice online—didn’t make much difference.
One thing I noticed: the bowl shape seems to matter a lot. My neighbor has a pricier brand and even on half flush, it’s got way more power. I’m starting to think some of these cheaper models are just designed to pass code, not actually work well in real life. Makes you wonder if it’s worth spending more up front instead of dealing with frustration every day.
Has anyone tried swapping out just the flush valve or is it usually a lost cause with these models? I hate the idea of replacing the whole toilet again but at this point, I’m tempted. Not sure if it’s worth trying to “upgrade” parts or if it’s just throwing good money after bad.
“I’m starting to think some of these cheaper models are just designed to pass code, not actually work well in real life.”
Yeah, I’ve noticed the same thing. Some of the budget ones just don’t have the right bowl design or flush path, and no amount of tinkering really fixes it. Swapping flush valves might help a little, but if the bowl’s not pulling its weight, it won’t ever be great. Honestly, you’re not crazy for wanting to just cut your losses—been there myself. Sometimes spending a bit more up front actually saves a ton of headache.
I hear you—I've installed my fair share of toilets in rentals, and those bargain models can be a headache. It’s wild how two toilets that technically meet the same specs can perform so differently. The half flush is usually the first thing to go south on the cheap ones. Sometimes it feels like they’re just ticking boxes for water usage, not actual function.
I've tried swapping out valves and even messing with float levels, but if the bowl design isn’t right, nothing really helps. I had one where tenants kept complaining, and after a couple months of dealing with it, I just replaced it with a mid-range model. Problem solved overnight.
I get not wanting to throw more money at it, but in my experience, a decent toilet saves way more in time and tenant calls down the road. That said, some folks swear they’ve “fixed” theirs with all sorts of hacks...but I haven’t seen anything that truly works if the basic design’s flawed.
Yeah, I’ve noticed the same thing with the cheap dual-flush units. On paper, they look fine, but the bowl wash is weak and you end up double flushing anyway. I’ve tried tweaking flappers and adjusting the water line, but if the trapway isn’t designed right, nothing seems to make a real difference. Honestly, I think some brands just slap a dual-flush button on a regular toilet and call it a day... It’s not worth the hassle in the long run.