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Temperature & Process Controllers

PID and limit controllers, process controllers, and SCR power controllers for precise heat and process control.

Anderson-Bolds supplies temperature and process controllers from Watlow, Fenwal, and Novus — PID process controllers, FM-approved limit controllers, and SCR power controllers. We can pair a controller with the matching Watlow heater and sensor so the loop is sized and tuned together.

All Temperature & Process Controllers PID / Process Limit / Safety Power (SCR) Controllers

PM9C1FA-ALEJAAA — Watlow 1/8 DIN, Digital PID Controller and Limit, 3 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller and Limit, 3 Outputs, Universal Input, 100-240 VAC

SKU: PM9C1FA-ALEJAAA

Stock confirmed at order — usually ships from stock

$533.02

PM9C1FJ-1AAAAAA — Watlow 1/8 DIN, Controller, 2 Outputs, Universal Input, 485 Modbus, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller, 2 Outputs, Universal Input, 485 Modbus, 100-240 VAC

SKU: PM9C1FJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$486.12

PM9C1FJ-1AEJAAA — Watlow 1/8 DIN, Controller, 4 Outputs, Universal Input, 485 Modbus, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller, 4 Outputs, Universal Input, 485 Modbus, 100-240 VAC

SKU: PM9C1FJ-1AEJAAA

Stock confirmed at order — usually ships from stock

$579.91

PM9C1FJ-1LEJAAA — Watlow 1/8 DIN, Controller and Limit, 4 Outputs, Universal Input, 485 MODBUS, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller and Limit, 4 Outputs, Universal Input, 485 MODBUS, 100-240 VAC

SKU: PM9C1FJ-1LEJAAA

Stock confirmed at order — usually ships from stock

$673.70

PM9C1FJ-3AAAAAA — Watlow 1/8 DIN, Controller, 2 Outputs, Universal Input, EtherNet/IP, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller, 2 Outputs, Universal Input, EtherNet/IP, 100-240 VAC

SKU: PM9C1FJ-3AAAAAA

Stock confirmed at order — usually ships from stock

$626.80

PM9C1FJ-6AAAAAA — Watlow 1/8 DIN, Controller, Process Output, Universal Input, PROFIBUS DP, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller, Process Output, Universal Input, PROFIBUS DP, 100-240 VAC

SKU: PM9C1FJ-6AAAAAA

Stock confirmed at order — usually ships from stock

$697.15

PM9C1FJ-AAAAAAA — Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 100-240 VAC

SKU: PM9C1FJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$392.34

PM9C1FJ-ALEJAAA — Watlow 1/8 DIN, Digital PID Controller and Limit, 4 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller and Limit, 4 Outputs, Universal Input, 100-240 VAC

SKU: PM9C1FJ-ALEJAAA

Stock confirmed at order — usually ships from stock

$579.91

PM9C1FK-AAAAAAA — Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 100-240 VAC

SKU: PM9C1FK-AAAAAAA

Stock confirmed at order — usually ships from stock

$368.90

PM9C1FK-AAEJAAA — Watlow 1/8 DIN, Digital PID Controller, 4 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller, 4 Outputs, Universal Input, 100-240 VAC

SKU: PM9C1FK-AAEJAAA

Stock confirmed at order — usually ships from stock

$478.31

PM9C1KH-AAAAAAA — Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 100-240 VAC

SKU: PM9C1KH-AAAAAAA

Stock confirmed at order — usually ships from stock

$376.71

PM9C1KH-ALEJAAA — Watlow 1/8 DIN, Digital PID Controller and Limit, 4 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller and Limit, 4 Outputs, Universal Input, 100-240 VAC

SKU: PM9C1KH-ALEJAAA

Stock confirmed at order — usually ships from stock

$564.28

PM9C1KK-AAAAAAA — Watlow 1/8 DIN, Digital PID Controller, 2 SSR Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller, 2 SSR Outputs, Universal Input, 100-240 VAC

SKU: PM9C1KK-AAAAAAA

Stock confirmed at order — usually ships from stock

$361.08

PM9C1KK-ALEJAAA — Watlow 1/8 DIN, Digital PID Controller and Limit, 2 SSR Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital PID Controller and Limit, 2 SSR Outputs, Universal Input, 100-240 VAC

SKU: PM9C1KK-ALEJAAA

Stock confirmed at order — usually ships from stock

$548.65

PM9R1EJ-AAAAAAA — Watlow 1/8 DIN, Ramp Soak PID Controller, 2 Relay Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Ramp Soak PID Controller, 2 Relay Outputs, Universal Input, 100-240 VAC

SKU: PM9R1EJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$600.23

PM9R1EJ-AAEJAAA — Watlow 1/8 DIN, Ramp Soak PID Controller, 4 Relay Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Ramp Soak PID Controller, 4 Relay Outputs, Universal Input, 100-240 VAC

SKU: PM9R1EJ-AAEJAAA

Stock confirmed at order — usually ships from stock

$694.01

PM9R1FA-AAAAAAA — Watlow 1/8 DIN, Ramp Soak PID Controller, Process Output, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Ramp Soak PID Controller, Process Output, Universal Input, 100-240 VAC

SKU: PM9R1FA-AAAAAAA

Stock confirmed at order — usually ships from stock

$462.68

PM9R1FK-AAEJAAA — Watlow 1/8 DIN, Ramp Soak PID Controller, 4 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Ramp Soak PID Controller, 4 Outputs, Universal Input, 100-240 VAC

SKU: PM9R1FK-AAEJAAA

Stock confirmed at order — usually ships from stock

$595.54

PM9R1KK-AAAAAAA — Watlow 1/8 DIN, Ramp Soak PID Controller, 2 SSR Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Ramp Soak PID Controller, 2 SSR Outputs, Universal Input, 100-240 VAC

SKU: PM9R1KK-AAAAAAA

Stock confirmed at order — usually ships from stock

$478.31

PM9R1KK-AAEJAAA — Watlow 1/8 DIN, Ramp Soak PID Controller, 4 Outputs, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Ramp Soak PID Controller, 4 Outputs, Universal Input, 100-240 VAC

SKU: PM9R1KK-AAEJAAA

Stock confirmed at order — usually ships from stock

$572.10

Authorized lines

Brands in Temperature & Process Controllers

Temperature & Process Controllers — questions buyers ask

Do I need a separate limit controller?

For most heating systems, yes — a redundant high-limit controller with its own sensor protects against runaway if the primary control loop fails, and it's often required by code or insurers.