Anyone know anything about underfloor heating manifolds? ( lemmy.nz )
Trying to get my head around this system in our cafe. It's the relationship between the circulating pump and the ?bypass (above the red knob on the right) that is not making sense to me....
![](https://mbin.grits.dev/media/cache/resolve/entry_thumb/2c/58/2c58960cefe444f8dd20096c29020fd0c9600156903d9117a81ff398cb741c10.jpg)