Sense-well Controls offers Block Head Thermostat.
Sense-well Controls provides a whole range of accurate, rugged and reliable electromechanical temperature controllers. The Block Head Thermostat may be inserted in a 15.875 mm [5/8”] reamed hole of the medium to be controlled. This thermostat has the same mounting characteristics as the cartridge type unit but is designed so additional component such as a dial and knob may be included.
Operating Principal: Differential Expansion of Metals.
Temperature Range of Block Head Thermostat: