30 Results
Filters 9
Popularity Product Name Mfg. Part Number Order Number

Mainstream Engineering, Klein Tools, KD, JB, Software, Training, Testing, Tools & Training, Test Instruments, Refrigeration

Qwiklug® Compressor Terminal Repair Kit G32-265
Qwiklug® Compressor Terminal Repair Kit
Wire Gauge: 10; Lead Length: 4' w/ Spade Terminal; Pkg. Qty.: 3;
Brand: Mainstream Engineering Mfg #: QT2910
Catalog Pg.: 1190 View Similar Items
Qwiklug® Compressor Terminal Repair Kit G32-266
Qwiklug® Compressor Terminal Repair Kit
Wire Gauge: 12; Lead Length: 4' w/ Spade Terminal; Pkg. Qty.: 3;
Brand: Mainstream Engineering Mfg #: QT2912
Catalog Pg.: 1190 View Similar Items
Prowler Refrigerant Leak Detector H85-611
Prowler Refrigerant Leak Detector
Description: Prowler Leak Detector;
Brand: JB Mfg #: LD-5000
View Similar Items
Dual Range Non-Contact Voltage Tester H27-154
Dual Range Non-Contact Voltage Tester
Description: Non-Contact Voltage Tester;
Brand: Klein Tools Mfg #: NCVT2P
Catalog Pg.: 1473 View Similar Items
EPA Section 608 Study Course Qwik608® B13-041
EPA Section 608 Study Course Qwik608®
Description: Qwik608® — English (includes: "Field Reference Manual" and "QwikStudy™ Guide", software download code for EPA Section 608 interactive software, streamable Video, and downloadable or streamable Audio study materials) with paper test;
Brand: Mainstream Engineering Mfg #: QT3000
Catalog Pg.: 1109 View Similar Items
Dual Range Non-Contact Voltage Tester with IR Thermometer H28-504
Dual Range Non-Contact Voltage Tester with IR Thermometer
Description: Non-Contact Voltage Tester with IR Thermometer;
Brand: Klein Tools Mfg #: NCVT-4IR
Catalog Pg.: 1473 View Similar Items
Thermal Imager H28-693
Thermal Imager
Brand: Klein Tools Mfg #: TI250
Catalog Pg.: 1467 View Similar Items
Qwiklug® Compressor Terminal Repair Kit G37-396
Qwiklug® Compressor Terminal Repair Kit
Wire Gauge: 10; Lead Length: 2' w/ Wire Nut; Pkg. Qty.: 3;
Brand: Mainstream Engineering Mfg #: QT2810
Catalog Pg.: 1190 View Similar Items
Thermal Imager iOS H28-883
Thermal Imager iOS
Description: Thermal Imager for iOS;
Brand: Klein Tools Mfg #: TI222
View Similar Items
Thermal Imager Android® H28-882
Thermal Imager Android®
Description: Thermal Imager for Android®;
Brand: Klein Tools Mfg #: TI220
View Similar Items
EPA Section 608 Test Qwik608® B13-042
EPA Section 608 Test Qwik608®
Description: Qwik608® — EPA Test Only: English Paper Test Only;
Brand: Mainstream Engineering Mfg #: QT3001
Catalog Pg.: 1109 View Similar Items
EPA Section 608 Study Course Qwik608® B21-521
EPA Section 608 Study Course Qwik608®
Description: Qwik608® — English (includes: "Field Reference Manual" and "QwikStudy Guide", software download code for EPA Section 608 interactive software, streamable Video, and downloadable or streamable Audio study materials) with online QwikTest;
Brand: Mainstream Engineering Mfg #: QT3009
Catalog Pg.: 1109 View Similar Items
Qwiklug® Compressor Terminal Repair Kit G37-397
Qwiklug® Compressor Terminal Repair Kit
Wire Gauge: 12; Lead Length: 2' w/ Wire Nut; Pkg. Qty.: 3;
Brand: Mainstream Engineering Mfg #: QT2812
Catalog Pg.: 1190 View Similar Items
Dual Range Non-Contact Voltage Tester with Light H28-081
Dual Range Non-Contact Voltage Tester with Light
Description: Non-Contact Voltage Tester with LED Flashlight;
Brand: Klein Tools Mfg #: NCVT-3P
View Similar Items
EPA Section 608 Study Course Qwik608® - SPANISH B18-827
EPA Section 608 Study Course Qwik608® - SPANISH
Description: Qwik608® — Spanish (includes: "Field Reference Manual" and "QwikStudy™ Guide", software download code for EPA Section 608 interactive software, streamable Video, and downloadable or streamable Audio study materials) with paper test;
Brand: Mainstream Engineering Mfg #: QT3004
Catalog Pg.: 1109 View Similar Items
EPA Section 608 Test Qwik608® B15-370
EPA Section 608 Test Qwik608®
Description: Qwik608® — EPA Test Only: Online QwikTest Only (bilingual);
Brand: Mainstream Engineering Mfg #: QT3008
Catalog Pg.: 1109 View Similar Items
Refrigerant and Combustible Gas Leak Detector H85-963
Refrigerant and Combustible Gas Leak Detector
Brand: JB Mfg #: LDC-4000
View Similar Items
EPA Section 608 Test Qwik608® - SPANISH B18-828
EPA Section 608 Test Qwik608® - SPANISH
Description: Qwik608® — EPA Test Only: Spanish Paper Test Only;
Brand: Mainstream Engineering Mfg #: QT3002
Catalog Pg.: 1109 View Similar Items
Wireless Temperatrue Clamp Set H28-845
Wireless Temperatrue Clamp Set
Description: Universal Wirless Temperature Clamp Set;
Brand: JB Mfg #: WC-2
View Similar Items
Wireless Temperatrue Clamp H28-844
Wireless Temperatrue Clamp
Description: Universal Wirless Temperature Clamp;
Brand: JB Mfg #: WC-1
View Similar Items
Wireless Psychrometer/Hygrometer H28-846
Wireless Psychrometer/Hygrometer
Description: Universal Wirless Psychrometer/Hygrometer;
Brand: JB Mfg #: WH-1
View Similar Items
Wireless Psychrometer/Hygrometer Set H28-847
Wireless Psychrometer/Hygrometer Set
Description: Universal Wirless Psychrometer/Hygrometer Set;
Brand: JB Mfg #: WH-2
View Similar Items
Magnetic Digital Pocket Thermometer H28-529
Magnetic Digital Pocket Thermometer
Range: -40°F to +572°F;
Brand: Klein Tools Mfg #: ET10
View Similar Items
Quest Refrigerant Leak Detector H86-026
Quest Refrigerant Leak Detector
Brand: JB Mfg #: LD-3000
View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare