04:53AM | 12/17/03
Member Since: 09/11/02
78 lifetime posts
We have a radiator-based heating system with a small boiler and a hot-water heater connected to the same exhaust. When we moved into our house 18 months ago, we had a new chimney liner put in, but now we've noticed a small drip of water leaking from the chimney flue just before it enters the wall, as well as some rust on that part of the flue. Is this something of concern, or just condensation?

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plumber Tom

01:58AM | 12/18/03
Member Since: 05/10/03
801 lifetime posts
The liners I have installed were Z-Flex. They are aluminium. If no other appliance is to be vented off it as it passes thru thre bottom of the chimney, then you can connect it directly to the draft hood or flue collar on the heater. They probably installed a tee or wye to pick up the water heater. They get sealed tight at the top of the chimney with flashing that gets siliconed on and a wind cap. I would think to check the flashing on the roof. We have had alot of rain lately kelly. I'm in Philly too. Happy Holiday's, Tom
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