Ever seen this?

Mark Hunt

Was doing an energy audit and I noticed this on the water heater.

The gas line from the gas valve to the burner was rusted.

Anyone ever seen this before?

Mark H

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Larry Weingarten

steel line

Hello: This is not a direct answer to your question, but may help. That steel line is rusting. Is it from the inside or outside? It looks like there could be a little flame spillage on start-up, condensing on the relatively cool tube, causing external rusting. (Note rust on inside of hatch cover and one-sided discoloration of pilot tube.) I'd be tempted to unhook the gas supply and the rusting tube to look inside the tube and the gas control and see if any rusting or corrosion is present. If so, why is the gas so wet? Is there a drip leg? Hope that helps.

tombig

Corrosion

If it's outside, maybe it's some combustion spill with a corrosive environment. Since repaired water drip?

ScottMP

flame rollout

and poor draft.

But you knew that allready did'nt you Mark !

What was the CO reading ?

Scott

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Mark Hunt

Yup


What you are looking at is where this water heater is venting from.

NOTHING going up the flue, it all spills out from there.

CO was rising and I disabled the unit when it was obvious that no draft would ever be established.

The old gravity hot air furnace was doing the same thing so that got disabled as well.

The woman that owns the house closed on it Monday. No inspectors caught this and it would have gone on indefinately.

We will be replacing the hot air system with a hot water system. The customer wants CI radiators so she is in the process of tracking down reconditioned radiators.

Ought to be a fun one!

Mark H

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