True, but that locking is not permanent and we've all removed nuts with loctite.
In my pics are 3 drive extensions. The 1\8" fits thru red top piece with about 1\64" clearance.
If the wood don't work ill drill out the hole for 1\2" drive extension.
I don't see a 1/8". I did look it up and it seems they are made but very small. 1/4" is the smallest commonly available. The extension is marked 3/8" in the pic. Looks like 3/8 and 1/2. And some small flex handle - maybe 1/4".In my pics are 3 drive extensions. The 1\8" fits thru red top piece with about 1\64" clearance.
Off the top of my head, that number looks correct as a replacement for our fuel oil tank.I have been servicing these on my family’s and friends furnaces for over 50 years and never had that issue.
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GENERAL FILTER Boiler Fuel Oil Filter 1A-25B - The Home Depot
The GENERAL OIL Replacement Cartridge for 1A25B COMPLETE. Cartridge replacement includes the washers and gasket. This replacement filter is made of 10-micron wool felt.www.homedepot.com
