“Even the ‘heavy duty’ stuff seems to crap out after a couple winters. I’ve had better luck just draining everything down if a deep freeze is coming, but that’s not always practical.”
Honestly, I’ve run into the same issues with heat tape—especially on outdoor lines or in crawlspaces. The “heavy duty” label doesn’t mean much once you get a few hard freezes in a row. Draining is definitely the safest bet, but like you said, it’s not always doable if you’ve got tenants or systems that need to stay live.
On the PEX front, I’ll take it over copper for freeze resistance, but those plastic fittings are a known weak link. I’ve started swapping them out for brass whenever I do repairs—costs a bit more up front, but way fewer callouts for split threads or leaks later. Foam covers are better than nothing, but once you’re below -10°F for a few days, they’re just delaying the inevitable.
If the city’s pushing rainwater and greywater setups, they’d better be thinking about winterization from the start. Those systems are great in theory, but if they’re not built with freeze protection in mind, you’re just asking for headaches down the line.
Yeah, that “heavy duty” label is just marketing half the time.
Couldn’t agree more—had a line wrapped in three layers of foam last year and it still froze solid after that cold snap. I like the idea of swapping plastic for brass on PEX too. Makes repairs less of a gamble. Rainwater and greywater setups sound cool, but if they freeze up mid-winter, folks will be wishing for good old city water again...“Foam covers are better than nothing, but once you’re below -10°F for a few days, they’re just delaying the inevitable.”
Rainwater and greywater setups sound cool, but if they freeze up mid-winter, folks will be wishing for good old city water again...
I get the concern, but I think we’re underestimating how much these systems can be winterized. A few thoughts:
- Insulated tanks and buried lines do a lot more than foam wraps on exposed pipes. Some setups even run a tiny circulation pump to keep things above freezing.
- Brass fittings are solid, but with PEX, a lot of people are using push-to-connect stuff that can handle expansion pretty well.
- If you’re serious about using rain or greywater in cold climates, planning is everything. Heated enclosures, drain-back systems, even just draining the lines when not in use—there’s options.
Not saying it’s easy or cheap, but city water isn’t totally fail-safe either. We had a main break last winter and everyone was melting snow for toilets... Sometimes the backup is what saves you. Just takes some extra thought to make alternative setups reliable year-round.
Not saying it’s easy or cheap, but city water isn’t totally fail-safe either. We had a main break last winter and everyone was melting snow for toilets...
I hear what you’re saying, but in my experience, “planning is everything” sounds good on paper—until someone skips a step or cheap equipment gets installed. I’ve seen plenty of these systems go sideways when it drops below zero, even with insulation. City water’s not perfect, but the redundancy and oversight are hard to match with DIY setups. Sometimes the fix is a lot more than just draining a line.
I get where you’re coming from—nothing like a frozen pipe at 2am to make you question your life choices. I tried to set up a greywater system in my old place, thinking I’d be saving the planet and my wallet. Turns out, I mostly saved myself from having free weekends for a year. The maintenance was a pain, and the first winter, the lines froze solid even though I thought I’d insulated everything. Ended up showering at the gym for a week while I figured it out.
City water’s definitely not perfect (I still remember that boil notice last summer), but at least when something goes wrong, you can call someone who actually knows what they’re doing. With DIY setups, it’s all on you—and if you mess up, you’re the one melting snow in your bathtub. Not exactly the rustic adventure I had in mind.
That said, I do like the idea of using rainwater for toilets. Seems like a waste to flush with perfectly good drinking water. But yeah, the devil’s in the details...and the details are usually hiding behind drywall or under the crawlspace, waiting to bite you when it’s -10 outside.
If someone figures out a foolproof way to keep these systems running in winter without turning your basement into an ice rink, I’m all ears. Until then, I’ll stick with city water and cross my fingers that the main doesn’t burst again this year.