45 Results

Mainstream Engineering, Caleffi, Temperature Probes, Temperature & Humidity Measurement, Test Instruments, Testing, Tools & Training, Software, Training, Refrigeration, Hydronics & Plumbing

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

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

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

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

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

Hydronic Separator L80-355
Hydronic Separator
Description: 1 1/4" Sweat Unions; Max. Pressure: 150 PSI; Max. Operating Temp.: 210;
Brand: Caleffi Mfg #: 548097A

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

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

Air Vent L44-652
Air Vent
Description: 1/8" NPT; Max. Pressure: 150 PSI; Max. Operating Temp.: 240;
Brand: Caleffi Mfg #: 502610A

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

Air Vent L44-651
Air Vent
Description: 1/8" NPT; Max. Pressure: 150 PSI; Max. Operating Temp.: 212;
Brand: Caleffi Mfg #: 508013A

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

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

Hydronic Separator L80-356
Hydronic Separator
Description: 1 1/4" NPT Unions; Max. Pressure: 150 PSI; Max. Operating Temp.: 210;
Brand: Caleffi Mfg #: 548007A

Automatic Filling Valve L44-660
Automatic Filling Valve
Description: 1/2" Sweat Inlet 1/2" NPT Outlet; Max. Pressure: 175 PSI; Temp. °F: 150;
Brand: Caleffi Mfg #: 573009A

Automatic Filling Valve L44-659
Automatic Filling Valve
Description: 1/2" NPT Inlet 1/2" NPT Outlet; Max. Pressure: 175 PSI; Temp. °F: 150;
Brand: Caleffi Mfg #: 573002A

Hydronic Separator L80-358
Hydronic Separator
Description: 2" NPT Unions; Max. Pressure: 150 PSI; Max. Operating Temp.: 210;
Brand: Caleffi Mfg #: 548009A

Hydronic Separator L80-357
Hydronic Separator
Description: 1 1/2" NPT Unions; Max. Pressure: 150 PSI; Max. Operating Temp.: 210;
Brand: Caleffi Mfg #: 548008A

Solar Package N98-274
Solar Package
Description: 4–6 Person, Isolar Plus Controller; Storage Tank: 119 G Dual Coil; Panel Qty.: 3;
Brand: Caleffi Mfg #: NAS30062

Air Vent L44-650
Air Vent
Description: 1/8" NPT; Max. Pressure: 150 PSI; Max. Operating Temp.: 240;
Brand: Caleffi Mfg #: 502710A

MixCal 3-Way Thermostatic Mixing Valves 3/4" SWT with Temperature Gauge R56-922
MixCal 3-Way Thermostatic Mixing Valves 3/4" SWT with Temperature Gauge
Model #: 521519A; Conn. Size: 3/4"; Temp. Range: 85° to 150° F; Min. Flow Rate: 1.3 GPM; 4 Ft./Sec. Res. Max. Flow: 6.6 GPM; 6 Ft./Sec. Com. Max. Flow: 10 GPM; Cv: 3; Body Type: Brass; Max. Flow: 20; Max. Pressure: 200 PSI; Application: Potable / Heating;
Brand: Caleffi Mfg #: 521519A

Automatic Filling Valve L44-661
Automatic Filling Valve
Description: 1/2" NPT Inlet x 1/2" NPT Outlet; Max. Pressure: 230 PSI; Temp. °F: 150;
Brand: Caleffi Mfg #: 553542A

Spring Return Zone Valve L47-559
Spring Return Zone Valve
Description: 3/4" Sweat, 7.5Cv, 20 PSI Delta P, Zone valve, w/ micro switch; Conn. Size: 3/4" SWT; Cv: 7.5; Electrical Conn.: 24V; De-Energized Position: Closed; Temp. Range: 32 - 240 F; Max. Working Pressure: 300 PSI; VA Rating: 7; Max. Ambient Temp.: 104F; Min. Fluid Temp.: 32 F; Max. Fluid…
Brand: Caleffi Mfg #: Z55

Spring Return Actuator L47-562
Spring Return Actuator
Description: 24V w/ Micro Switch & Terminal block Actuator;
Brand: Caleffi Mfg #: Z151000
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