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When designing hydronic circuits, most of us focus on what’s necessary for that circuit to absorb thermal energy at a heat source, carry it along like a conveyor belt and release that energy at one or more heat emitters.
With numerous benefits such as compact sizing, high-efficiency operation and cost effectiveness, it’s easy to understand why the combi-boiler market is growing.
Assembling prior columns, updating older information, along with some new content for the four eBooks has been an interesting review of my 48-years as a mechanical contractor.
Friction is everywhere. Even though friction finds itself in just about every system we design, it is one of those concepts that is not easily understood.