Find the circuit with all the fight

Every system has one circuit that's harder to push water through than the rest. 

Small pipes. Long runs. Valves and fittings. It all adds up.

That's the index circuit.

Pump vs index circuit

The pump has to deliver the required flow around the toughest circuit.

If it can do that, every other circuit can be balanced off the back of it.

If it can't, you'll need to make changes to the system, not the pump

Don't blame the pump. Get the ebook.

It's the heating engineer's job to create the right system conditions for the heat demand, but that's hard if no-one's told you the rules.

This ebook strips the hidden system logic back to basics, giving you the missing starting point that underpins everything you learn next.