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ApS · 11-21-2016, 04:55 AM

Expanding on an answer to a PM'd inquiry:

I've notified the Uponor company that their site isn't intuitive. Perhaps they want you to contact a saleman, which is easy.

The stuff (above) is expensive and very difficult to uncoil in cold weather. I have no experience with the pipe, but those who have are here:

http://forum.heatinghelp.com/discuss...flex-by-uponor

Here's that specific double-insulated Uponor pipe site:

https://www.uponor.com/products/buil...r-service.aspx

What I had in mind was to have a constant flow (by small circulating pump) through an 8-foot pair of insulated pipes—at a location closest to the lake. The rest of the pipe to the house would have to be sufficiently buried. Source it near a dock bubbler you might have running. One or two one-way valves would be necessary.

The idea is provide a short, but non-freezing, water source buried near the lake. On the coldest nights, I'd suggest running a constant-run pump on house current. In-line bubbler switches to detect freezing temperatures are available at very reasonable cost.

A 12-volt pump for backup wouldn't be a bad idea; for that, I'd use a deep-cycle battery ($100, and windmill-charger—$300).

In any case, the circulation doesn't have to be "efficient"—just that it draws—and discharges—from the lake constantly in freezing weather.

—ApS

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11-21-2016, 04:55 AM	#13
ApS Senior Member Join Date: Jan 2005 Location: Florida (Sebring & Keys), Wolfeboro Posts: 5,935 Thanks: 2,204 Thanked 776 Times in 553 Posts	Expanding on an answer to a PM'd inquiry: I've notified the Uponor company that their site isn't intuitive. Perhaps they want you to contact a saleman, which is easy. The stuff (above) is expensive and very difficult to uncoil in cold weather. I have no experience with the pipe, but those who have are here: http://forum.heatinghelp.com/discuss...flex-by-uponor Here's that specific double-insulated Uponor pipe site: https://www.uponor.com/products/buil...r-service.aspx What I had in mind was to have a constant flow (by small circulating pump) through an 8-foot pair of insulated pipes—at a location closest to the lake. The rest of the pipe to the house would have to be sufficiently buried. Source it near a dock bubbler you might have running. One or two one-way valves would be necessary. The idea is provide a short, but non-freezing, water source buried near the lake. On the coldest nights, I'd suggest running a constant-run pump on house current. In-line bubbler switches to detect freezing temperatures are available at very reasonable cost. A 12-volt pump for backup wouldn't be a bad idea; for that, I'd use a deep-cycle battery ($100, and windmill-charger—$300). In any case, the circulation doesn't have to be "efficient"—just that it draws—and discharges—from the lake constantly in freezing weather. —ApS . __________________ Is it "Common Sense" isn't.