sizing of hot water circulation pumps
sizing of hot water circulation pumps
(OP)
Hello
What guidelins should I follow when I size/ design a circulation pump for a central hotwater system for a building (hot water is used for plumbing uses showers etc...)?
What guidelins should I follow when I size/ design a circulation pump for a central hotwater system for a building (hot water is used for plumbing uses showers etc...)?





RE: sizing of hot water circulation pumps
Remember as well, that you're essentially turning the domestic hot water system into a hot water heating system if the lines are uninsulated. I've seen installations where the uninsulated recirculating domestic hot water system was fighting the air conditioning all summer.
RE: sizing of hot water circulation pumps
you therfore size the flowrate of the pump just to match the hetloss of the system?
RE: sizing of hot water circulation pumps
RE: sizing of hot water circulation pumps
It is made by several cos., such as Raychem & Thermon
A 350' length to handle a HW line will draw less than 20 amp (according to the Raychem program).
RE: sizing of hot water circulation pumps