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A half-inch-drive
ratchet wrench is needed to operate the extractor, as well as
3/4-inch-drive sockets. Most water heater anodes can be removed
with a 1 1/16-inch socket. Those come in six- and 12-point, thin
wall and thick wall, short and long and that is one reason we
don't include them.
For a residential
heater, a short socket is enough. For commercial ones, a long
socket might be better, or even extensions might be needed. We
carried 4- and 6-inch ones with us when we serviced commercial
tanks, just in case.
A 12-point,
thin-wall socket may be easier to use in some places, such as
where there is a tight access hole in the cover, while a thicker-wall,
six-point sometimes is preferable on anodes that are hard to get
loose as it is less likely to round off the hex head.
The 12-point
can be found in hardware stores like Orchard Supply. Look in auto
parts stores for the six-point.
State Sandblasters
and some boiler storage tanks have one-inch anodes, for which
a 1 5/16-inch socket is needed.
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