Category
Brand
Coil Voltage
HP
Ind. F/L Amps
Mounting Configuration
Phase
Poles
Primary Voltage
Res. Amps
Secondary Voltage
Switch Action
VA Rating
Volts
Watts
Country of Origin
3210 Results
Filters 6
Popularity Product Name Mfg. Part Number Order Number

Electrical Controls, Controls, HVACR Parts, Test Instruments, Air Conditioning & Refrigeration Components, Testing, Tools & Training

Infrared Refrigerant Leak Detector H28-729
Infrared Refrigerant Leak Detector
Brand: Fieldpiece Mfg #: DR82
Catalog Pg.: 1325 View Similar Items
Gold Label Liquid Line Filter Drier B10-120
Gold Label Liquid Line Filter Drier
Conn. Size: 3/8" ODF; Cubic Inches: 8; Length: 5.25"; R12/R134a Capacity: 3; R22/R410A Capacity: 5.0; R404A/R507 Capacity: 3;
Brand: Parker Hannifin Corporation Mfg #: LLD-083S
Catalog Pg.: 1265 View Similar Items
Heavy-duty Enclosed Fan Relay L37-100
Heavy-duty Enclosed Fan Relay
Coil Voltage: 24; Switch Action: SPNO-SPNC;
Brand: White-Rodgers Mfg #: 90-380
Catalog Pg.: 331 View Similar Items
Pocket Digital Psychrometer H27-393
Pocket Digital Psychrometer
Brand: Fieldpiece Mfg #: PRH2
Catalog Pg.: 1465 View Similar Items
IR Thermometer w/Circular Laser H26-252
IR Thermometer w/Circular Laser
Distance to Spot Ratio: 12:1; Temp. Range: -36.4°F to +689°F; Accuracy: ±2%; Emissivity: 0.70/0.95;
Brand: UEi Mfg #: INF165C
Catalog Pg.: 1470 View Similar Items
Pocket Knife Style Thermometer H26-467
Pocket Knife Style Thermometer
Range: -58°F to +392°F;
Brand: Fieldpiece Mfg #: SPK1
Catalog Pg.: 1462 View Similar Items
TEK-Mate® Heated Diode Refrigerant Leak Detector H25-784
TEK-Mate® Heated Diode Refrigerant Leak Detector
Brand: Inficon Mfg #: 705-202-G1
Catalog Pg.: 1324 View Similar Items
3-Pole Definite Purpose Contactor L36-692
3-Pole Definite Purpose Contactor
Ind. F/L Amps: 40; Poles: 3; Coil Voltage: 208/240 VAC; Res. Amps: 50;
Brand: Eaton Mfg #: C25DNF340B
Catalog Pg.: 338 View Similar Items
Dual Port Manometer and Pressure Switch Tester H27-718
Dual Port Manometer and Pressure Switch Tester
Range: -60" to +60";
Brand: Fieldpiece Mfg #: SDMN6
Catalog Pg.: 1495 View Similar Items
1-1/2 Pole Definite Purpose Contactor L36-881
1-1/2 Pole Definite Purpose Contactor
Ind. F/L Amps: 30; Poles: 1+; Coil Voltage: 24 VAC; Res. Amps: 40;
Brand: Eaton Mfg #: C25CNB130T
Catalog Pg.: 337 View Similar Items
Gold Label Liquid Line Filter Drier B10-126
Gold Label Liquid Line Filter Drier
Conn. Size: 3/8" ODF; Cubic Inches: 16; Length: 5.94"; R12/R134a Capacity: 4; R22/R410A Capacity: 5.0; R404A/R507 Capacity: 4;
Brand: Parker Hannifin Corporation Mfg #: LLD-163S
Catalog Pg.: 1265 View Similar Items
3/8" Sight Glass Moisture Indicator B10-091
3/8" Sight Glass Moisture Indicator
Conn. Size: 3/8" ODF; Overall Length: 4-7/8";
Brand: Parker Hannifin Corporation Mfg #: PSG-3S
Catalog Pg.: 1267 View Similar Items
3-Pole Definite Purpose Contactor L36-690
3-Pole Definite Purpose Contactor
Ind. F/L Amps: 40; Poles: 3; Coil Voltage: 24 VAC; Res. Amps: 50;
Brand: Eaton Mfg #: C25DNF340T
Catalog Pg.: 338 View Similar Items
Heated Diode Refrigerant Leak Detector H28-728
Heated Diode Refrigerant Leak Detector
Brand: Fieldpiece Mfg #: DR58
Catalog Pg.: 1325 View Similar Items
Three-Phase Line Voltage Monitor B12-400
Three-Phase Line Voltage Monitor
Brand: ICM Mfg #: ICM450A
Catalog Pg.: 1316 View Similar Items
D-TEK® 3 Infrared Refrigerant Leak Detector H93-222
D-TEK® 3 Infrared Refrigerant Leak Detector
Brand: Inficon Mfg #: 721-202-G1
Catalog Pg.: 1324 View Similar Items
2-Pole Definite Purpose Contactor L37-120
2-Pole Definite Purpose Contactor
Ind. F/L Amps: 30; Poles: 2; Coil Voltage: 24 VAC; Res. Amps: 40;
Brand: Eaton Mfg #: C25BNB230T
Catalog Pg.: 337 View Similar Items
Control Transformer Class II Foot Mount Transformers G22-336
Control Transformer Class II Foot Mount Transformers
VA Rating: 40; Primary Voltage: 120/208/240; Secondary Voltage: 24; Mounting Configuration: 2 Foot;
Brand: Packard Mfg #: PF42440
Catalog Pg.: 327 View Similar Items
D-TEK Stratus™ Refrigerant Leak Detector and Portable Monitor H86-087
D-TEK Stratus™ Refrigerant Leak Detector and Portable Monitor
Brand: Inficon Mfg #: 724-202-G1
Catalog Pg.: 1324 View Similar Items
Control Transformer Class II Foot Mount Transformers L37-310
Control Transformer Class II Foot Mount Transformers
VA Rating: 75; Primary Voltage: 120/208/240/480; Secondary Voltage: 24; Mounting Configuration: 4 Foot;
Brand: Packard Mfg #: PF52475
Catalog Pg.: 327 View Similar Items
Folding Pocket Thermometer H27-032
Folding Pocket Thermometer
Description: Folding Pocket Thermometer; Range: -58°F to +572°F;
Brand: UEi Mfg #: PDT650
Catalog Pg.: 1462 View Similar Items
Definite Purpose Contactor 1-Pole L45-023
Definite Purpose Contactor 1-Pole
Ind. F/L Amps: 30; Poles: 1+; Coil Voltage: 24; Res. Amps: 40;
Brand: Packard Mfg #: C130A
Catalog Pg.: 340 View Similar Items
Definite Purpose Contactor 2-Pole L45-038
Definite Purpose Contactor 2-Pole
Ind. F/L Amps: 40; Poles: 2; Coil Voltage: 24; Res. Amps: 50;
Brand: Packard Mfg #: C240A
Catalog Pg.: 340 View Similar Items
Definite Purpose Contactor 2-Pole L45-035
Definite Purpose Contactor 2-Pole
Ind. F/L Amps: 30; Poles: 2; Coil Voltage: 24; Res. Amps: 40;
Brand: Packard Mfg #: C230A
Catalog Pg.: 340 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare