After writing a blog post about leaking temperature and pressure relief (TPR) valves at water heaters, I learned that this particular issue seems to completely befuddle folks. In the two years that I ...

For the past 15 years, pilot-operated safety relief valves (POSRVs) have effectively and reliably protected economizers on Section I power boilers in overpressure situations, working in tandem with ...

Find out what could be behind your latest water heater malfunction.

Finding an effective solution for controlling high upstream hydraulic pressure in applications where a constant volume pump is supplying more flow than the system requires can be a challenge. Examples ...