THERM-O-DISC 59T Temperature Controller in Electric Water Heater,240VAC,120VAC ,Certified by UL & VDE

The 59T series THERM-O-DISC thermostat employs snap-action bimetallic strip technology, specifically designed for storage water heaters (e.g., residential/commercial tank-type water heaters) and compatible with solar water heaters, air-source heat pump water heaters, and instant electric water heaters. It delivers high-speed contact response and precise temperature control to maintain stable water temperatures and prevent overheating risks. Engineered for high reliability in demanding environments, the 59T series THERM-O-DISC thermostat is compatible with mainstream models from brands such as Rheem and OSO, ensuring seamless integration and robust performance.

Features:

Temperature range: 90°F( 32°C） to 200°F(93°C) (adjustable over a range of 60°F).

Automatic reset function with SPST/SPDT configurations.

International certifications (UL, CSA, VDE) for safety.

Supports 250V voltage and 25A overload current.

Standard temperature differentials available :

Single pole, single throw = 5-15°F ( 3-8°C)

Single pole, double throw = 17 - 27°F ( 9-15°C)

Applications: Water Heater

Agency Ratings:  
UL /CSA  (Certificate No. E19279)-----250VAC / 30 amps / 100,000 cycles,277VAC / 25 amps / 100,000 cycles
VDE  (Certificate No. 121213)----- 250VAC / 30 amps / 30,000 cycles

Part Numbers:

59T 4000 300529 L80C 

59T 4000 300400 L170F 

59T 4062 300490 L93C

59T 4090 300500 L150F

59T 4190 300700 L150F

59T 4196 300711 L82C

59T 4196 300709 L82C

59T 4200 300887 L82C

59T 4200 300888 L82C

59T 4235 300842 L90C

59T 4300 301000 L180F

59T 4037 300458 L170C

59T 300484 L70C

59T 300800 L180F

59T 300801 L95C

59T 300825 L80F

59T 300826 L85C

59T 300842 L75C

59T 300846 L95C

59T 300851 L90C

59T 301006 L95C

59T 301011 L180F

Type:

59T 4000 300529 L80C THERM-O-DISC  /  Thermostat Adjustment Range:80℃-70℃-60℃-50℃

59T 4000 300400 L170F THERM-O-DISC /  Thermostat Adjustment Range:170℉(77℃)-140℉(60℃)-110℉(43℃)；

59T 4056 300484  L70C  THERM-O-DISC /  Thermostat Adjustment Range: 70℃-60℃-50℃-40℃

59T 4062 300490 L93C THERM-O-DISC  /  Thermostat Adjustment Range:200℉(93℃)-170℉(77℃)-140℉(60℃);

59T 4090 300500 L150F THERM-O-DISC /  Thermostat Adjustment Range:150℉(66℃)-125℉(52℃)-90℉(32℃);

59T 4090 300517 L150F THERM-O-DISC /  Thermostat Adjustment Range:150℉(66℃)-125℉(52℃)-90℉(32℃);

59T 4091 L150F THERM-O-DISC /  Thermostat Adjustment Range:150℉(66℃)-125℉(52℃)-90℉(32℃);

59T 4100 300600 L170F THERM-O-DISC /  Thermostat Adjustment Range:170℉(77℃)-140℉(60℃)-110℉(43℃)；

59T 4100 300640 L150F THERM-O-DISC /  Thermostat Adjustment Range:150℉(66℃)-125℉(52℃)-90℉(32℃)

59T 4190 300700 L150F THERM-O-DISC /  Thermostat Adjustment Range:150℉(66℃)-125℉(52℃)-90℉(32℃);

59T 4196 300711 L82C THERM-O-DISC  /  Thermostat Adjustment Range:180℉(82℃)-150℉(66℃)-120℉(49℃);

59T 4196 300709 L82C THERM-O-DISC  /  Thermostat Adjustment Range:180℉(82℃)-150℉(66℃)-120℉(49℃);

59T 4200 300887 L82C THERM-O-DISC  /  Thermostat Adjustment Range:180℉(82℃)-150℉(66℃)-120℉(49℃);

59T 4200 300888 L82C THERM-O-DISC  /  Thermostat Adjustment Range:180℉(82℃)-150℉(66℃)-120℉(49℃);

59T 4224 THERM-O-DISC  /  Thermostat Adjustment Range:180℉-150℉-120℉;

59T 4235 300842 L90C  THERM-O-DISC  /  Thermostat Adjustment Range:90℃-80℃-70℃-60℃

59T 4300 301000 L180F THERM-O-DISC  /  Thermostat Adjustment Range:180℉(82℃)-150℉(66℃)-120℉(49℃);

59T 4037 300458 L170F THERM-O-DISC  /  Thermostat Adjustment Range:HIGH-MED-LOW

59T 300800 L180F THERM-O-DISC  /  Thermostat Adjustment Range:120℉-180℉;

59T 300801 L95C THERM-O-DISC   /  Thermostat Adjustment Range:65℃-95℃;

59T 300825 L80F THERM-O-DISC   /  Thermostat Adjustment Range:50℃-80℃;

59T 300826 L85C THERM-O-DISC   /  Thermostat Adjustment Range:55℃-85℃;

59T 300842 L75C THERM-O-DISC   /  Thermostat Adjustment Range:60℃-75℃;

59T 300846 L95C THERM-O-DISC   /  Thermostat Adjustment Range:65℃-95℃;

59T 300851 L90C THERM-O-DISC   /  Thermostat Adjustment Range:60℃-90℃;

59T 301006 L95C THERM-O-DISC   /  Thermostat Adjustment Range:65℃-95℃;

59T 301011 L180F THERM-O-DISC  /  Thermostat Adjustment Range:120℉-180℉;

59T        L170F THERM-O-DISC  /  Thermostat Adjustment Range:170℉(77℃)-140℉(60℃)-110℉(43℃)