It sounds like the room/house is pretty tight. What if the door that
separates the utility room from the rest of the house is open?
Have you checked the water heater chimney for obstruction? Sounds like the
draft could also be weak.
-Peter
On Feb 25, 2012 1:32 PM, "Randall" <TR3driver@ca.rr.com> wrote:
> My home has a typical utility room, with washer, dryer and (gas) hot water
> heater. Both the dryer and the hot water heater are vented outside, plus
> there is a small exhaust fan.
>
> Few weeks ago, I finally got around to fixing the dryer vent, which had
> been
> basically venting into the room (back behind the hot water heater, a hard
> place to get to). Now it seems that, when the dryer is running, it pulls
> enough negative pressure on the room to suck exhaust from the hot water
> heater out of the air break between the heater itself and the vent pipe.
>
> Any suggestions on how to solve this? Providing another opening for fresh
> air to come in seems obvious, but I'd rather not do that if there is
> another
> way. I assume the air break is required, to prevent too much draft through
> the hot water heater. Relocating the hot water heater outside would be a
> better solution, but more work than I'm really interested in tackling.
>
> Shop tie-in : If I solve this, I can get back to the shop <G>
>
> -- Randall
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