any inline fans to help vent a gas water heater?

Larry Weingarten

... boosting one heater would cause spillage at the other heater. How about redoing the venting so you have two smaller and properly sized vent pipes, one for each? Possibly the two vent pipes could be combined higher up, helping to eliminate the risk of spillage from the heater that's off.

Yours, Larry

Christopher_3

inline ventilation fans for water heaters?

I have two side-by-side 40 gallon gas water heaters in a basement of a duplex (one for each unit). They each connect to one vent line which runs horizontally for about 6 feet before it goes through the exterior wall to the outside and then goes straight up above the roof line.

They are in a ventilated basement with lots of screened door openings to the outside but I'd like to get the venting improved.

Are there any fans that can go inline to help vent them better? Or, is there a better roof cap that might help increase the venting? I think the short horizontal run of vent pipe coming out of the heaters is not the best design but there isn't room to move it up at all as the basement ceiling is in the way.

Thanks for any ideas.

Christopher
-San Diego, CA

JohnNY

Be careful with this.

Inline inducer fans don't work well with gas appliances with draft diverters.
Something about an eddy curtain....

I think it's a better idea to regulate your combustion air with a fan-in-a-can type of product or, even better, a suction fan at the roof terminal with a pressure switch at the appliance.

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jp_2

good CO detector?

hope you have a good CO detector there?

sounds like you could get carbon monoxide spillage with that set up?