The "let the water run" trick only works in marginal circumstances,
usually when it's unusually cold outside at night. In this case (the
one under discussion), insulation is the solution. If the problem is
a constant sub-freezing situation, like an exterior pipe, insulation
won't do it, of course. Heat has to come from somewhere. Heat tape
is the solution, there.
How do you know that "in this case (the one under discussion)" insulation
is the solution?
The only thing the OP has told us is that he likes to leave a faucet
dripping in freezing weather. He has yet to come back and tell us why,
other than to say to "reduce the chance of freezing". I'd still like to
know why he thinks there is a chance of freezing in the first place.
Some folks have assumed a pipe on an outside wall and situations like that,
but only the OP "Bob" can tell us what is actually going on.
There would be a need if there was no heat in the building, now wouldn't
there? Once again, only the OP "Bob" can tell us what is actually going on.
One possibility: A cottage or shop building that gets occasional use and
occasional heat. Visitor uses building and uses heat. Before he leave he
turns off the heat and the faucet. Result: frozen pipe, even on an interior
Can you tell, with certainty, from what "Bob" wrote that that situation
We can make all sorts of assumptions but we can't know for sure unless
"Bob" comes back and tells us.
On 11/28/2013 11:54 AM, firstname.lastname@example.org wrote:
Your kind of advice can be dangerous when implemented by someone without
If the water is wet SOMEWHERE/ANYWHERE. And you can get it to the drip
it freezes. The drip can work. It's just thermodynamics.
Your blanket statements with the obligatory "idiot" are not educational.
Of course, the problem is internet wide. People who need help don't have
the knowledge or experience to know if they're getting sound
advice...or they wouldn't be here asking.
Of course dripping water can help but not if there is no heat. It
only works if there is a small cold spot. The water has to move fast
enough through the pipe to clear the cold area before it gives up
enough heat to freeze.
On 11/28/2013 8:17 PM, email@example.com wrote:
And that was the problem. Insulating the pipe in an environment below
freezing without enough heat flow from somewhere, possibly flowing water,
does not prevent the pipe from freezing, eventually, no matter how
much insulation you put on it.
Thermodynamics is your friend.
You have a long history of shooting from the hip without
thinking it through, then denigrating anyone who challenges you.
Consider yourself challenged...pun intended.
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