Hot Water Heater Venting
Posted by LarryB on May 14, 2004 at 12:43:24:
I am replacing an old gas HW heater that had a 4 in vent with a new unit that has a 3 in vent. Can I use 3 to 4 in reducer at the top of the heater and reuse the rest of the 4in vent pipes? It is about 5 feet from the heater to the chimniny.


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