Same part number?! The only regulators I've seen with RH high-pressure threads have been secondary regulators with a maximum inlet pressure of 100 psi or so. You could always connect it to the low pressure side of the main regulator.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
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