Last month’s article was mainly about temperature and pressure relief valves that have been required on water heaters starting in 1910, and as a result I was asked if the explosions that used to happen ever still happen. Absolutely! An explosion caused by a capped or bad T&P valve seems to happen here in Washington … Continued

Last month we began to talk about how tank-style storage water heaters have evolved into the devices we see today, and we’ll continue that here. We started by looking at the expansion tanks that are required on any closed water system, because there is so much interest in those little tanks and why they are … Continued

“Once Upon a Time…water heaters, all water heaters, used to last at least a dozen years, and often even twice that. And we never, ever use to see things like those little expansion tanks, earthquake straps, pans, or stands on water heaters. What happened? Why have these things changed? Is it just more code bureaucracy? … Continued

The last few articles have been about drain systems, clearing them when clogged and digitally documenting them. A properly-designed drain system correctly used and maintained should never really clog and stop up, and it’s usually misuse or a foreign object in the system that causes clogs. Except for clogged toilets, the drains that clog most … Continued

There are times when a sewer line needs to be inspected because someone is buying an existing building and they want to be assured that the sewer line is in good condition, properly graded, and without roots or breaks. In those times there is no question that a sewer camera is needed for the inspection … Continued