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-   -   Hot water heater - direct vent v. power vent in basement (

alty79 09-06-2010 07:03 PM

I have a rheem power vent LP hot water heater in my basement along an outside wall. The vent goes up about 2' then 1.5' to the outside wall in 4" PVC.

Can I install a direct vent LP hot water heater instead of a power vent? Everything that I've read about direct vent says it just has to be within 4 ft of an outside wall.


Can I install a direct vent water in my basement? What should I be aware of when installing direct vent?

2 threads on same issue merged

the_man 09-06-2010 08:29 PM

direct vent will cost the same or a little bit more than a PV, you have to run either a second intake line or a larger concentric vent (exhaust and intake on one pipe), needs to be away from doors, windows, patios as well. PV gives much more options for venting, plus its already set up for it. I'd just replace w/ a similar unit

alty79 09-06-2010 09:03 PM

Thanks for the replay I appreciate it. The rheem just started to weep a little bit so i am trying to decide what i want to do.

What kind would you recommend?

Also, would I notice the difference from switching to a 40 gal vs the 50 gal, since LP hwh recover quicker than electric ones?

the_man 09-06-2010 10:07 PM

I'm a big fan of Bradford White tanks, I've had problems with Ruud (Rheem) and their gas valves. Don't buy American WH's which is what Lowes tanks are. Too many recalls in recent years. Size depends on usage and size of house. Teenage girls= larger tank, so does jetted tub in the master bath. Don't put in a 40 if you have more than 2 bathrooms, it might be enough for you but if you sell it might not be enough for the next family. 50's aren't much more $$ than 40's, and don't cost that much more to run

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