DIY Doctor UK DIY Forums

I am modifying solid fuel back burner system and installing a new oil fired central heating boiler. I need two indirect coils to hot water cylinder. Can I buy add on section to existing HW cylinder with second indirect coil, or do I have to replace cylinder with new special dual coil one.

Probably best to fit a new twin coil cylinder David. Would save space & Be easier to connect as inlets flows would all have to be interconnected.