Overview Reviews Product Description Thermocouple, J, 4 F.M. WatlowOEM Numbers are used for reference only. California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Commercial Parts Lincoln 2190163 - Thermocouple, J, 4 F.M. Watlow Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Review Subject *Comments