Distinguish combustion-air and flue arrangements from the separate condensing principle.
Core idea
Read the full Central Heating & Water Heaters note with Premium
You’re reading the free preview. PlumbRevise Premium unlocks the complete write-up, the worked detail for every Central Heating & Water Heaters note — plus timed tests on every module.
Plenty of modules are free to read in full.
Something wrong, unclear or out of date? Report an issue with this note.