Gates Wildlife Control - This is a schematic of a furnace, pipe, chimney liner and the cap at the top of the chimney. | Facebook
![I had a new oil furnace installed a few weeks ago. Is there a problem with this flue pipe? I've read you shouldn't reduce them : r/HVAC I had a new oil furnace installed a few weeks ago. Is there a problem with this flue pipe? I've read you shouldn't reduce them : r/HVAC](https://i.redd.it/0gzm4qddmp341.jpg)
I had a new oil furnace installed a few weeks ago. Is there a problem with this flue pipe? I've read you shouldn't reduce them : r/HVAC
![Got a new furnace installed and chimney guys just told me that this is not code. Is this not code? : r/hvacadvice Got a new furnace installed and chimney guys just told me that this is not code. Is this not code? : r/hvacadvice](https://i.redd.it/got-a-new-furnace-installed-and-chimney-guys-just-told-me-v0-3fa4ar07r5ab1.jpg?width=3000&format=pjpg&auto=webp&s=a39086b9fb48b1797cec625cd1070759476f258a)
Got a new furnace installed and chimney guys just told me that this is not code. Is this not code? : r/hvacadvice
![Furnace or Boiler Liners - Liners and External Vents - Chimney Services | Windisch Chimney Services LLC | Buffalo Furnace or Boiler Liners - Liners and External Vents - Chimney Services | Windisch Chimney Services LLC | Buffalo](https://img77.uenicdn.com/image/upload/v1655156068/business/865ac750-d3c1-40d6-b905-c4166ba24529.jpg)
Furnace or Boiler Liners - Liners and External Vents - Chimney Services | Windisch Chimney Services LLC | Buffalo
![vent - How should I seal a flexible flue liner passing through large clay thimble? - Home Improvement Stack Exchange vent - How should I seal a flexible flue liner passing through large clay thimble? - Home Improvement Stack Exchange](https://i.stack.imgur.com/Cd1si.jpg)