Blog: Hydraulic Separation

Do I leave the air vent cap open or close it?  Do you leave the AutoFill(TM) open or closed?  Where should you put the expansion tank?  Do you pump into the boiler or pump out of it?  Hydro separator or closely spaced tees?  Where should you put the air separator?      In this episode, the guys have put together a...

Hydraulic separators not only simplify hydronic piping and save installation time compared to closely spaced tees, they can also remove air and dirt to become a money-saving, multi-purpose device.  Get the whole closely-spaced tee story from Greg and Dan in Episode 5 of the Podcast. ...

We get this question often:  "What is the pressure drop in my hydraulic separator?"  It's a good question; after all we know that the circulator adds head energy and everything else in a hydronic system causes head energy losses. The answer to the question is:  "It's negligible; you don't need to...

At first glance, piping a hydraulic separator - which has 4 connections - can be a little confusing.  Here is an easy-to-remember guideline to assure proper flow patterns and high performance from your Caleffi Hydro Separator,...