Hot water issue - furnace ?

[SIKSUKR]

Originally Posted by swnoel

The only thing that can be installed legally with pvc is a gas furnace, unless it's a Lennox and it that case you could not. All boilers need to be vented with polypropylene.

I didnt mean pvc specifically but plastic in general. You knew what I meant. These boilers will discharge flue temps of about 140 degrees which mean they dont need a mortar chimney.