<div dir="ltr">Go up on roof, make sure drain vent is not clogged by debris. Improper or badly installed drain venting slows things down a lot.<div><br></div><div>Carl</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Nov 27, 2023 at 7:42 AM Prof David West <<a href="mailto:profwest@fastmail.fm">profwest@fastmail.fm</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">When the washer drains, water flows for a bit, then you hear the pipe filling up and water comes out the top. Pause the flow, water drains quickly, start and pipe fills again. Cycle till rate of flow subsides. <br>
<br>
Question: can turbulence occur at the u-trap and cause a temporary blockage? If yes, does the turbulence occur because of the distance from entry to the u-trap?<br>
<br>
Will ask plumber — but prior discussions of turbulence on the list made me think it might pose an interesting problem..<br>
<br>
Dwest-. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. .<br>
FRIAM Applied Complexity Group listserv<br>
Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom <a href="https://bit.ly/virtualfriam" rel="noreferrer" target="_blank">https://bit.ly/virtualfriam</a><br>
to (un)subscribe <a href="http://redfish.com/mailman/listinfo/friam_redfish.com" rel="noreferrer" target="_blank">http://redfish.com/mailman/listinfo/friam_redfish.com</a><br>
FRIAM-COMIC <a href="http://friam-comic.blogspot.com/" rel="noreferrer" target="_blank">http://friam-comic.blogspot.com/</a><br>
archives: 5/2017 thru present <a href="https://redfish.com/pipermail/friam_redfish.com/" rel="noreferrer" target="_blank">https://redfish.com/pipermail/friam_redfish.com/</a><br>
1/2003 thru 6/2021 <a href="http://friam.383.s1.nabble.com/" rel="noreferrer" target="_blank">http://friam.383.s1.nabble.com/</a><br>
</blockquote></div>