1184 Results
Filters 4
Popularity Product Name Mfg. Part Number Order Number

Training, Testing, Tools & Training, Test Instruments, Thermostats

Infrared Refrigerant Leak Detector H28-729
Infrared Refrigerant Leak Detector
Brand: Fieldpiece Mfg #: DR82
Catalog Pg.: 1325 View Similar Items
Pocket Digital Psychrometer H27-393
Pocket Digital Psychrometer
Brand: Fieldpiece Mfg #: PRH2
Catalog Pg.: 1465 View Similar Items
Wi-Fi 8000 VisionPRO Thermostat L47-541
Wi-Fi 8000 VisionPRO Thermostat
System Application: Heat Pump and Conventional; Stages Heat/Cool: Up to 3/2 Heat Pump and 2/2 Conventional; Power Method: Hardwired; Terminal Designations: R, RC, C, K, W-O/B, Y, G, W2-Aux/E, Y2, A-L/A, S1, S1, U1, U1; Color: Arctic White; Description: Wi-Fi 8000 VisionPRO Thermostat; Connected: Yes;
Brand: Honeywell Home Mfg #: TH8321WF1001
Catalog Pg.: 296 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
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
Heated Diode Refrigerant Leak Detector H28-728
Heated Diode Refrigerant Leak Detector
Brand: Fieldpiece Mfg #: DR58
Catalog Pg.: 1325 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
Non-Programmable Thermostat L45-101
Non-Programmable Thermostat
System Application: Gas/Electric or Oil/Heat Pump; Stages Heat/Cool: 1/1; Power Method: Hardwired or Battery; Terminal Designations: Rh, Rc, C, Y, W, G, B, O; Description: 4" Blue Display;
Brand: Pro1 IAQ Mfg #: T701
Catalog Pg.: 309 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
Sensi Classic Wi-Fi Thermostat L49-493
Sensi Classic Wi-Fi Thermostat
System Application: Heat/Cool/Heat Pump; Stages Heat/Cool: 4/2; Power Method: Battery or Hardwired; Terminal Designations: RC, RH, C, W/E, W2, Y, Y2, O/B, G, L; Color: White; Connected: Yes;
Brand: White-Rodgers Mfg #: 1F87U-42WF
Catalog Pg.: 303 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
T4 Pro Programmable Thermostat L49-428
T4 Pro Programmable Thermostat
System Application: Heat/Cool/Heat Pump; Stages Heat/Cool: 1/1 Heat Pump or 1/1 Conventional; Power Method: Battery or Hardwired; Terminal Designations: Y, G, C, L/A, O/B, W, R, Rc; Color: White;
Brand: Honeywell Home Mfg #: TH4110U2005/U
Catalog Pg.: 293 View Similar Items
T6 Pro Programmable Thermostat L49-157
T6 Pro Programmable Thermostat
System Application: Standard Efficient Gas Forced Air, High Efficacy Gas Forced Air, Oil Forced Air, Electric Forced Air, Hot water Fan Coil, Geothermal Heat Pump, Air to Air Heat Pump, Hot Water Radiant Heat, Steam; Stages Heat/Cool: Up to 2/1 Heat Pump or 2/2 Conventional; Power Method: Battery…
Brand: Honeywell Home Mfg #: TH6220U2000
Catalog Pg.: 292 View Similar Items
RedLINK Enabled VisionPRO® 8000 Thermostat L46-668
RedLINK Enabled VisionPRO® 8000 Thermostat
System Application: Gas, Oil, Electric, Heat Pump, Forced Warm Air, Hot Water, Steam or Gravity; Stages Heat/Cool: 3/2 Heat Pump or Up to 2/2 Conventional When Used Standalone; Up to 4/2 Heat Pump or Up to 3/2 Conventional When Used With the Equipment Interface Module; Power Method: Hardwired or…
Brand: Honeywell Home Mfg #: TH8320R1003
Catalog Pg.: 312 View Similar Items
T6 Pro Smart Thermostat L49-156
T6 Pro Smart Thermostat
System Application: 24 Vac systems; Gas, Oil, Electric Warm Air; Hot water Coil; Gas, Oil, Electric Hydronic; or Steam / Gravity Systems; Stages Heat/Cool: Up to 2/1 Heat Pump or 2/2 Conventional; Power Method: Hardwired; Terminal Designations: RC, R, C, W, W2 - AUX, Y, Y2, O/B, G, K, E, L/A, S, S;…
Brand: Honeywell Home Mfg #: TH6220WF2006
Catalog Pg.: 292 View Similar Items
Pipe Clamp Thermocouple H28-385
Pipe Clamp Thermocouple
Type: K; Description: 3/8" to 1-3/8" Pipe Clamp;
Brand: Fieldpiece Mfg #: TC24
Catalog Pg.: 1486 View Similar Items
T10 Pro Smart Thermostat with RedLINK Sensor L50-243
T10 Pro Smart Thermostat with RedLINK Sensor
System Application: 24 Vac Systems; Gas, Oil, Electric, Steam /Gravity Systems, Dual Fuel; Stages Heat/Cool: 3/2 Heat Pump or 2/2 Conventional; Power Method: Hardwired; Terminal Designations: RC, R, C, W, O/B, Y, Y2, G, E, AUX, K, L, U, U, S, S; Color: White; Connected: Yes;
Brand: Honeywell Home Mfg #: THX321WFS2001W/U
Catalog Pg.: 292 View Similar Items
T6 Pro Programmable Thermostat L49-158
T6 Pro Programmable Thermostat
System Application: Standard Efficient Gas Forced Air, High Efficacy Gas Forced Air, Oil Forced Air, Electric Forced Air, Hot water Fan Coil, Geothermal Heat Pump, Air to Air Heat; Stages Heat/Cool: Up to 2/1 Heat Pump or 1/1 Conventional; Power Method: Battery or Hardwired; Terminal Designations:…
Brand: Honeywell Home Mfg #: TH6210U2001
Catalog Pg.: 292 View Similar Items
Thermostat E L49-582
Thermostat E
System Application: Gas, electric, forced air, radiant, oil, hot water, solar and geothermal; Stages Heat/Cool: 2/1 OR 1/2 Conventional, 1/1 Heat Pump; Power Method: 24V Hardwired; Terminal Designations: R, G, Y1, W1, C, */OB; Connected: Yes;
Brand: Google Nest Mfg #: T4001ES
Catalog Pg.: 298 View Similar Items
SC Series Clamp Meter H27-756
SC Series Clamp Meter
TRMS: Y; Autoranging: Y; Diode: Y; Continuity Beeper: Y; Data Hold: Y; Backlit Display: Y; Display: 4,000 Count; Min./Max. Display: Y; Auto Power Off: Y; Low Battery Indicator: Y; Batteries: 9V; Safety Rating: Cat III, 600V; AC Volts: 600V; DC Volts: 600V; AC Amps: 400A; Resistance/Continuity: 40M…
Brand: Fieldpiece Mfg #: SC260
Catalog Pg.: 1475 View Similar Items
Magjumper™ G35-907
Magjumper™
Brand: Supco Mfg #: MAG1YL
Catalog Pg.: 1490 View Similar Items
Programmable Thermostat L45-109
Programmable Thermostat
System Application: Gas/Electric or Oil/Heat Pump; Stages Heat/Cool: 3/2; Power Method: Hardwired or Battery; Terminal Designations: Rh, Rc, C, Y, Y2, W/E, W2, G, B, O; Description: 8 sq. inch display;
Brand: Pro1 IAQ Mfg #: T855
Catalog Pg.: 305 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare