Gas line regulator freezing

rusvdDecember 23, 2008


I have a gas line outside the house that is freezing up and not letting gas get to my furnace. Mind you its -25 windchill. The thing is my exhaust outlet from my heater is right next to my gas line regulator and is causing it to freeze up from all the steam it is pumping out. My question is: Would this be my problem? Thus meaning my exhaust pipe would have to be moved? or does it seem like the regulator is a little weird making it the gas companies problem?

This is the first winter I've ever had with this house, I purchased it in May. The coil on my heater went out because of the gas line freezing up and not getting any gas into the heater thus making the heater turn on and off for hours. Not even sure if the coil did burn out, this is what the mechanic said? Is this possible?

The regulator is now blocked by a piece of sheet metal which is only a temporary till hopefully tomorrow.

Open to all ideas.

I'm going to call the gas company tomorrow and already have the mechanic getting some stuff together to lengthen the pipe so it isn't directly blowing steam into the regulator.

I just wonder how it has made it every other winter and now the regulator is acting up?


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I changed out many frozen up gas meters during my years as a repairman for a natural gas utility. Bu those were overwhelmingly on low pressure gas mains, about 1/4 PSI above atmospheric pressure, which allowed water to get into gas mains, services and meters and freeze up during cold weather.

Since you presumably have a regulator on the meter, you probably have a higher pressure system not susceptible to that problem.

Regulators have a mechanical linkage that could, I suppse, freeze up from moisture condensing on it from a furnace as you describe.

At least at the utility where I worked, responding to calls of the utility not supplying gas to customers was a high priority, and if the utility's equipment wasn't providing service that was repaired at no cost.

Have you actually disconnected the meter outlet to verify that you aren't getting any gas? I'm wondering why you conclude that the regulator is frozen up.

Having the utility inspect the condition of the meter and regulator is probably the best approach. They would be able to tell you if the meter or regulator is frozen, and tell you if the furnace vent is a likely cause of the problem. Frankly, I wouldn't volunteer that as the problem --- let them figure it out rather than suggesting a cause.

    Bookmark   December 23, 2008 at 10:48AM
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