Convert draft vent WH to power vent?

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Code0

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I had my water heater replaced last December with a Ruud PH2-40PF (the old one finally got a leak). I replaced my furnace and A/C about a month ago - the A/C died and the furnace was about 30 years old.

Anyway, the new furnace is a 95% direct vent model and all I have on the current chimney is the WH. At some point, I'd like to remove the chimney (the house is 50 years old - I think the current chimney is just metal vent pipe with no brick).

Is there any way to add a power vent to this model, or does the unit need to be replaced with one that was designed for a power vent from the factory? Thanks!

I will say right now that I had a draft vent unit installed since the old one was under home warranty and I couldn't afford the cost difference at the time. A new WH for $60 installed was a good deal in the winter.
 

Jimbo

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The control and safety circuits for a power vent are so complicated that the cost to retrofit them to an existing furnace would likely exceed the cost of a new furnace. Also, because it would be impossible to get AGA or GAMA certification on a retrofitted furnace, there are legal, code, and insurance issues. There may be companies who tell you they can do this. I would not go there.
 

Jimbo

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Looks like commercial stuff. I would stand by my comment that the cost to put this on a residential unit would be prohibitive. Probably need a new gas valve, because the typical water heater gas valve does not have any kind of interface connections necessary for the safety circuits.
 
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