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Posted by crhras on August 3, 2006, 9:01 am
Thank you for the response. This week I have learned quite a bit about
water heaters, venting and clowns.
> It's my understanding that the tankless units require a stainless steel,
> individual vent, not combined with other gas appliances (under pressure).
> They can terminate horizontially however, out therough the sidewall. PVC
> would melt and cause a fire of course; your plumber is an idiot.
>
> Try your local Menards, Lowes or Home Depot. Cost will run around a grand
> (may qualify for a $300 Home Energy-Efficiency Improvement Tax Credit
> however.)
>
> "crhras" crhras@sbcglobal.net wrote in message
>> My plumber assured me that a vent made of 4" PVC running out through the
>> roof would be sufficient to vent a tankless hot water heater and a
>> furnace in my 1700 square foot home. The plumber has since disappeared
>> and I'm having a bit of trouble finding a suitable tankless heater. The
>> heater will service a standard kitchen and 2.5 bathrooms, one of which
>> will have a pretty nice shower (body sprays, hand wand, large capacity
>> shower head). My question are, will PVC be a sufficient material to use
>> as a vent and does anyone know of a water heater which can share a 4"
>> vent with the furnace ?
>>
>> Thanks,
>> Curt
>>
>
>
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