Sensata Airpax thermostats and temperature sensors are extremely reliable and versatile.
The base is a very extensive standard range in which many variation is possible.

4100

Description:Bimetal thermostat, brass probe, SPST, environmentally sealed
Operating Range:40º C to 130º C (104º F to 266º F)
Ratings:1.0 amp, 120VAC, 48VDC (30,000 life cycles)
            3.0 amp, 28VDC (5,000 life cycles)
Prefixes:C41, O41, 4100

5003

Description:Low-profile 1/2" disc bimetal thermostat, SPST, environmentally sealed
Operating Range:35º F to 325º F (2º C to 163º C)
Ratings:5.0 amp, 120VAC (100,000 life cycles) 3.0 amp, 240VAC, 24VDC (100,000 life cycles) 1.5 amp, 48VDC (100,000 life cycles)
Approvals:c?Uus
Prefixes:C53, O53, 5003

3000

Description:Thermistor, RTD, or IC temperature sensors. Surface, air, and immersion stainless steel packages in standard configurations
Max Range:-40º C to 130º C (-40º F to 266º F)
Prefixes:3A, 3B, 3C, 3D, 3E, 3F

5011

Description:1/2" disc bimetal thermostat, SPST, hermetically sealed
Operating Range:140º F to 480º F (60º C to 249º C)
Ratings: 3.0 amp, 120VAC (100,000 life cycles, isolated case)
            3.0 amp, 32VDC (100,000 life cycles, grounded case)
Prefixes:C11, O11, 5011

5020

Description:Bimetal thermostat, stainless steel probe, hermetically sealed , SPST, grounded case
Operating Range:35º F to 480º F (2º C to 249º C)
Ratings:3.0 amp, 32VDC (100,000 life cycles)
Prefixes:C20, O20, 5020

6600

Description:8-pin DIP style, subminiature bimetal thermostat, SPST, lead-free construction
Operating Range:40º C to 130º C (104º F to 266º F)
Ratings: 1.0 amp, 120VAC (30,000 life cycles)
           1.0 amp, 48VDC (25,000 life cycles)
Approvals:c?Uus , VDE (upon request)
Prefixes:66F, 66L

6700

Description:TO-220 subminiature bimetal thermostat, SPST, lead-free construction
Operating Range:40º C to 130º C (104º F to 266º F)
Ratings: 0.5 amp, 48VDC (20,000 life cylces)
Approvals:c?Uus , VDE (with "P" plastic bracket)
Prefixes:67F, 67L

5100

Description:Bimetal thermostat, stainless steel probe, hermetically sealed , SPST, isolated case
Operating Range:35º F to 480º F (2º C to 249º C)
Ratings:3.0 amp, 120VAC (100,000 life cycles)
           2.5 amp, 240VAC (6,000 life cycles)
Approvals:c?Uus
Prefixes:C51, O51, 5100