Gas and Oil Home Heating Furnaces - combinined venting

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daves_trip
01-09-03, 01:54 PM
I have been advised that my power vented furnace should not share a vent with a my natural vented hot water heater under any circumstances. This is coming from a certified HVAC tech but it is contrary to everything I have read so far as well as most installations that I have seen. Any ideas here?

Thanks
Dave In DC

hvac4u
01-09-03, 04:24 PM
with an induced draft furnace an water heater tied together are a common sight, and allowed according to the venting tables in the installation instructions. unless you have an unusual situation, get a new hvac tech.