This stainless steel thermometer will measure a temperature range from 200°F to 1000°F and has a six inch stem for use with even deep furnaces.
For warranty concerns and technical help please contact Lyman at.
Lyman Products Corp
475 Smith Street
Middletown, CT 06457
Phone-800-225-9626
Phone-800-423-9704
Phone-860-632-2020
Fax-860-632-1699