It started with a typical call and a typical request from a favorite contractor. He wanted pricing on a pair of high efficiency boilers which is pretty routine, but in this case would be replacing a ...

When a water heater is connected to a closed system, an expansion tank must be installed to prevent excessive pressure in the water. To help understand what this is all about, please read on. Why most ...

Modern hydronic heating systems have evolved in complexity over the last few decades; no doubt we’ll continue to refine and improve upon them. With this evolution, the need for proper piping design ...

These open-air expansion tanks would be mounted high up on a wall, and there would be two pipes running to them. One would supply water, and the other would be the overflow pipe. If too much water was ...