Hey guys. When designing healthcare domestic hot water re-circulation systems, how do you use temperature to control the growth of legionella? 160°F is an instant 100% kill, 140°F is a 2 minute 90% kill, and 120°F is a 2 hour 90% kill.
From what I'm reading, it seems as if you want to send...
Hello all. I'm trying to understand the fluid dynamics of the shared piping and valving (mainly the mixing valve) between the two loops that make up an hot water re-circulation system; the closed pumped recirc loop and the open loop where water is released through a faucet, shower etc.
When...
