Forum Discussion
BurbMan
May 05, 2014Explorer II
nana2callie wrote:
We do not have this issue in the bathroom sink.
You may not depending on where the HW heater is located relative to the sinks. Check for proper configuration of the winterizing valves on the HW heater.
Here's the diagram that handye9 linked to:
![](http://parts.cunninghamcampers.com/wp-content/uploads/bypass.jpg)
Water heater is on the left in this diagram.
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