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There's a water main leak under my street. It's been leaking for more than 10 years, though much worse in the last year. The water company has finally been contacted - they sent someone out - and they deny a leak! This is California. It hasn't rained in months. All seasonal springs and seeps...

When installing a bimetallic thermometer (http://www.teltru.com/images/temp/bimetal.gif) in a copper water supply line, is a brass thermowell (http://www.teltru.com/images/temp/thermowells.gif) needed? All the bimetallic thermometer manufacturer spec sheets say a thermowell is needed for any...

I picked up two 1 x 3/4 x 1 copper tees at a small independent plumbing supply store. They are marked "CFI". What brand/manufacturer is this? The quality control on these tees is bad. One is longer than the other and has more pronounced forming ridges than the other. I compared them to a big...

When a new piece of pipe isn't marked with a country of origin, can I assume it is USA? I'm referring to full 10, 20, or 21 foot lengths of pipe or tubing. The way I've understood the "country of origin" rules is that domestically produced items don't need to labeled as such, but all imports...