Using a ¼" to ⅜" brass elbow (Back in the ’40s you could find such things in the corner hardware) and using ¼" copper and ⅜" glass tubes made a site gauge I could put in place of the needle valve and check the float level without taking anything off the motor but the needle valve. An "O" ring works well on the glass in place of the brass grommet. The antique hardware here in Tampa that had such things burned down about 10 years ago – a national tragedy …
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