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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

PM8C1EJ-AAEKAAA — 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: PM8C1EJ-AAEKAAA

Stock confirmed at order — usually ships from stock

$568.96

PM8C1EJ-ALEJAAA — Watlow 1/8 DIN, Digital PID Controller/Limit, 4 relay Outputs, Universal Input, 100-240 VAC

Watlow

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

SKU: PM8C1EJ-ALEJAAA

Stock confirmed at order — usually ships from stock

$670.57

PM8C1EK-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: PM8C1EK-1AAAAAA

Stock confirmed at order — usually ships from stock

$462.68

PM8C1EK-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: PM8C1EK-1AEJAAA

Stock confirmed at order — usually ships from stock

$556.47

PM8C1EK-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: PM8C1EK-1LEJAAA

Stock confirmed at order — usually ships from stock

$650.25

PM8C1EK-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: PM8C1EK-3AAAAAA

Stock confirmed at order — usually ships from stock

$603.36

PM8C1EK-6AAAAAA — Watlow 1/8 DIN, Controller, 2 Outputs, Universal Input, PROFIBUS DP, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller, 2 Outputs, Universal Input, PROFIBUS DP, 100-240 VAC

SKU: PM8C1EK-6AAAAAA

Stock confirmed at order — usually ships from stock

$673.70

PM8C1EK-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: PM8C1EK-AAAAAAA

Stock confirmed at order — usually ships from stock

$475.18

PM8C1EK-AAEAAAA — Watlow 1/8 DIN, Digital PID Controller, 3 Outputs, Universal Input, 100-240 VAC

Watlow

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

SKU: PM8C1EK-AAEAAAA

Stock confirmed at order — usually ships from stock

$522.07

PM8C1EK-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: PM8C1EK-AAEJAAA

Stock confirmed at order — usually ships from stock

$462.68

PM8C1EK-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: PM8C1EK-ALEJAAA

Stock confirmed at order — usually ships from stock

$556.47

PM8C1FA-1AAAAAA — Watlow 1/8 DIN, Controller, Process Output, Universal Input, 485 Modbus, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller, Process Output, Universal Input, 485 Modbus, 100-240 VAC

SKU: PM8C1FA-1AAAAAA

Stock confirmed at order — usually ships from stock

$439.23

PM8C1FA-1LEJAAA — Watlow 1/8 DIN, Controller and Limit, 3 Outputs, Universal Input, 485 MODBUS, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller and Limit, 3 Outputs, Universal Input, 485 MODBUS, 100-240 VAC

SKU: PM8C1FA-1LEJAAA

Stock confirmed at order — usually ships from stock

$626.80

PM8C1FA-3AAAAAA — Watlow 1/8 DIN, Controller, Process Output, Universal Input, EtherNet/IP, 100-240 VAC

Watlow

Watlow 1/8 DIN, Controller, Process Output, Universal Input, EtherNet/IP, 100-240 VAC

SKU: PM8C1FA-3AAAAAA

Stock confirmed at order — usually ships from stock

$579.91

PM8C1FA-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: PM8C1FA-6AAAAAA

Stock confirmed at order — usually ships from stock

$650.25

PM8C1FA-AAAAAAA — Watlow 1/8 DIN, Digital PID Controller, Universal Process Output, Universal Input, 100-240 VAC

Watlow

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

SKU: PM8C1FA-AAAAAAA

Stock confirmed at order — usually ships from stock

$345.44

PM8C1FA-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: PM8C1FA-ALEJAAA

Stock confirmed at order — usually ships from stock

$533.02

PM8C1FJ-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: PM8C1FJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$486.12

PM8C1FJ-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: PM8C1FJ-1AEJAAA

Stock confirmed at order — usually ships from stock

$579.91

PM8C1FJ-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: PM8C1FJ-1LEJAAA

Stock confirmed at order — usually ships from stock

$673.70

PM8C1FJ-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: PM8C1FJ-3AAAAAA

Stock confirmed at order — usually ships from stock

$626.80

PM8C1FJ-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: PM8C1FJ-6AAAAAA

Stock confirmed at order — usually ships from stock

$697.15

PM8C1FJ-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: PM8C1FJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$392.34

PM8C1FJ-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: PM8C1FJ-ALEJAAA

Stock confirmed at order — usually ships from stock

$579.91

PM8C1FK-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: PM8C1FK-AAAAAAA

Stock confirmed at order — usually ships from stock

$368.90

PM8C1FK-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: PM8C1FK-AAEJAAA

Stock confirmed at order — usually ships from stock

$478.31

PM8C1KH-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: PM8C1KH-AAAAAAA

Stock confirmed at order — usually ships from stock

$376.71

PM8C1KH-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: PM8C1KH-ALEJAAA

Stock confirmed at order — usually ships from stock

$564.28

PM8C1KK-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: PM8C1KK-AAAAAAA

Stock confirmed at order — usually ships from stock

$361.08

PM8C1KK-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: PM8C1KK-ALEJAAA

Stock confirmed at order — usually ships from stock

$548.65

PM8C4FJ-AAAAAAA — Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 24 AC/DC

Watlow

Watlow 1/8 DIN, Digital PID Controller, 2 Outputs, Universal Input, 24 AC/DC

SKU: PM8C4FJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$392.34

PM8L1AJ-1AAAAAA — Watlow 1/8 DIN, Limit Controller, 1 Relay Output, Universal Input, 485 Modbus, 100-240 VAC

Watlow

Watlow 1/8 DIN, Limit Controller, 1 Relay Output, Universal Input, 485 Modbus, 100-240 VAC

SKU: PM8L1AJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$547.71

PM8L1AJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 1 Relay Output, Universal Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital Limit Controller, 1 Relay Output, Universal Input, 100-240 VAC

SKU: PM8L1AJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$450.78

PM8L1CJ-1AAAAAA — Watlow 1/8 DIN, Limit Controller, 2 Outputs, Universal Input, 485 Modbus, 100-240 VAC

Watlow

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

SKU: PM8L1CJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$588.10

PM8L1CJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 2 Outputs, Universal Input, 100-240 VAC

Watlow

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

SKU: PM8L1CJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$491.17

PM8L1EJ-1AAAAAA — Watlow 1/8 DIN, Limit Controller, 2 relay Outputs, Universal Input, 485 Modbus, 100-240 VAC

Watlow

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

SKU: PM8L1EJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$596.19

PM8L1EJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 2 relay Outputs, Universal Input, 100-240 VAC

Watlow

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

SKU: PM8L1EJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$499.25

PM8L3AJ-1AAAAAA — Watlow 1/8 DIN, Limit Controller, 1 Relay Output, Universal Input, 485 Modbus, 24v AC/DC

Watlow

Watlow 1/8 DIN, Limit Controller, 1 Relay Output, Universal Input, 485 Modbus, 24v AC/DC

SKU: PM8L3AJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$604.26

PM8L3AJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 1 Relay Output, Universal Input, 24v AC/DC

Watlow

Watlow 1/8 DIN, Digital Limit Controller, 1 Relay Output, Universal Input, 24v AC/DC

SKU: PM8L3AJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$507.32

PM8L3CJ-1AAAAAA — Watlow 1/8 DIN, Limit Controller, 2 Outputs, Universal Input, 485 Modbus, 24v AC/DC

Watlow

Watlow 1/8 DIN, Limit Controller, 2 Outputs, Universal Input, 485 Modbus, 24v AC/DC

SKU: PM8L3CJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$644.66

PM8L3CJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 2 Outputs, Universal Input, 24v AC/DC

Watlow

Watlow 1/8 DIN, Digital Limit Controller, 2 Outputs, Universal Input, 24v AC/DC

SKU: PM8L3CJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$547.71

PM8L3EJ-1AAAAAA — Watlow 1/8 DIN, Limit Controller, 2 relay Outputs, Universal Input, 485 Modbus, 24v AC/DC

Watlow

Watlow 1/8 DIN, Limit Controller, 2 relay Outputs, Universal Input, 485 Modbus, 24v AC/DC

SKU: PM8L3EJ-1AAAAAA

Stock confirmed at order — usually ships from stock

$652.74

PM8L3EJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 2 relay Outputs, Universal Input, 24v AC/DC

Watlow

Watlow 1/8 DIN, Digital Limit Controller, 2 relay Outputs, Universal Input, 24v AC/DC

SKU: PM8L3EJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$555.80

PM8M1EJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 2 relay Outputs, Thermistor Input, 100-240 VAC

Watlow

Watlow 1/8 DIN, Digital Limit Controller, 2 relay Outputs, Thermistor Input, 100-240 VAC

SKU: PM8M1EJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$499.25

PM8M3EJ-AAAAAAA — Watlow 1/8 DIN, Digital Limit Controller, 2 relay Outputs, Thermistor Input, 24v AC/DC

Watlow

Watlow 1/8 DIN, Digital Limit Controller, 2 relay Outputs, Thermistor Input, 24v AC/DC

SKU: PM8M3EJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$499.25

PM8R1EJ-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: PM8R1EJ-AAAAAAA

Stock confirmed at order — usually ships from stock

$600.23

PM8R1EJ-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: PM8R1EJ-AAEJAAA

Stock confirmed at order — usually ships from stock

$694.01

PM8R1FA-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: PM8R1FA-AAAAAAA

Stock confirmed at order — usually ships from stock

$462.68

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.