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Lyman Mag 20 Electric Furnace
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Lyman Mag 20 Furnace

by Legacy Reviewer, from WA, United States Written on May 10, 2011
My Lyman Mag 20 furnace melted lead OK but had trouble with spout freeze, had to use a propane torch lightly on the spout to thaw it often. Checked it with a casting thermometer and the lead temerature was too low even when set at the top end the scale 9 or 10. Found there is a temp adjustment if the knob is pulled, there is a fine temperature adjustment screw inside the shaft. Used a jewelers screwdriver, turned the screw slightly counterclockwise. Raised the tempererature so the knob set at 7 reached near 700 degrees. The spout freeze problem quit.
Pros: Holds up to 20 lbs of lead
Cons: Temperature adjustment was off but can be set without return
Would recommend: Yes
5 of 5 found the following review helpful.
Was it helpful to you? Yes | No

Add deceptive

by Legacy Reviewer, Verified Owner from OK, United States Written on March 4, 2011
Add was titled "Lyman Mag 20 Furnace" - description said "new" - only at the bottom of add does it say that it is an accessory you are bidding on.
Pros: none
Cons: Add deceptive
Would recommend: Yes
4 of 4 found the following review helpful.
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.