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Posted by Tony Conner on March 17, 2002 at 11:36:13:
In Reply to: frequent blowing of steam condensate from boiler safety valve drip line posted by zee on March 16, 2002 at 08:24:12:
It's not very often that the problem lies with the safety or relief valve itself. It's most often with whatever the valve protects. The valve is usually just doing it's job.
If you've got a relief valve in liquid service, then I'd suspect a flooded expansion tank, or if it's a domestic water heater, that a back flow prevention device has been installed.