There should not be standing water that can freeze in a drain line
(except the trap).
Things to investigate/try.
Pour some anti-freeze into drain between uses.
Check/inspect that drain line is properly supported and does not
sag, thus creating locations of standing water and possible freeze locations.
investigate a clog, snake or other mechanical pipe cleaning.
Tree roots getting into pipes.
Putting heat tape on drain (other than on trap that might be in exposed crawl space) would be counter productive. If you go that route, perhaps try to insulate the pipe/trap, but make sure it has even consistent slope for proper drainage first.
I've lived in a house that had some uneven settling over time and the drainpipe went up and down, causing some of these problems, and allowing solids to partial fill the drain pipe.
Dave
On 1/29/14, 10:56 AM, tremor901guy@yahoo.com wrote:
(except the trap).
Things to investigate/try.
Pour some anti-freeze into drain between uses.
Check/inspect that drain line is properly supported and does not
sag, thus creating locations of standing water and possible freeze locations.
investigate a clog, snake or other mechanical pipe cleaning.
Tree roots getting into pipes.
Putting heat tape on drain (other than on trap that might be in exposed crawl space) would be counter productive. If you go that route, perhaps try to insulate the pipe/trap, but make sure it has even consistent slope for proper drainage first.
I've lived in a house that had some uneven settling over time and the drainpipe went up and down, causing some of these problems, and allowing solids to partial fill the drain pipe.
Dave
On 1/29/14, 10:56 AM, tremor901guy@yahoo.com wrote:
this has problem kicked around some where in here I aint got time I got water drainage problems pipes frozen here the pipe comes from washer and dishwasher goes to main line or could I be just chasing a clog around is it possible to heat tape on pipe its pcv . im not sure or galvanized don't really wanted crawl under housed no basement
-- Dave Uebele (daveu@sptddog.com)
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