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**pjmoreland** · 05-12-2021, 02:39 PM

The threads on my metal drain are backwards (left-handed). It threads into the radiator to open, so turning it counterclockwise opens it.

05-12-2021, 02:39 PM	#8
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 5,330	Re: Radiator Drain Valve ? The threads on my metal drain are backwards (left-handed). It threads into the radiator to open, so turning it counterclockwise opens it.