Vacant winter house: drain traps
I read the FAQ on winterizing, but this topic didn't get much coverage. In a 5 month absence, I'm pretty sure the sinks, baths, and toilet traps will end up uncovered as the water evaporates. I kn...
Forum Discussion
Snowman9000 wrote:
The house will be heated.
What kind of heat? The reason I ask is because I had a problem with low pressure in a forced hot water system over the winter we were gone because I shut the water off and there was no way for the boiler to make up for normal pressure loss. There were no leaks in the system, but the pressure went low enough to burn up a circ pump.
Since then I've learned that you should pipe in a makeup water supply before the main water cutoff. However if you do this, be sure to run the P/T valve overflow to a sump. I had an expansion tank go when I was home and in 20 minutes the P/T valve put an inch of water in the basement.
