Honeywell Fan and Limit Controller, Series: L4064, -40 to 190 degree Fahrenheit, Inductive: 14 A, Resistive: 84 A, Pilot Duty: 0.25 A, 5 inch Element, 25 degree Fahrenheit Differential, Surface/Universal Mount, 4-9/32 inch height x 3 inch Width x 1-19/32 inch D
Controls high limit and fan motors inch forced air heating systems.