78 Results

White-Rodgers, Mainstream Engineering, ESP, Software, Training, Testing, Tools & Training, Temperature & Humidity Measurement, Test Instruments, 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

Zone Valve L39-524
Zone Valve
Configuration: 2-Wire; Conn. Size: 3/4"; Cv: 23.5; De-Energized Position: NC;
Brand: White-Rodgers Mfg #: 1361-102

Zone Valve L39-521
Zone Valve
Configuration: 3-Wire; Conn. Size: 3/4"; Cv: 23.5; De-Energized Position: NC;
Brand: White-Rodgers Mfg #: 1311-102

Teflon Seal Gaskets B16-831
Teflon Seal Gaskets
Description: Teflon Seal Gaskets (12-Pk.) 3 each TR034-6, TR100-6, TR114-6, and TR134-6;
Brand: ESP Mfg #: TR10-12

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

Gas Water Heater Control N45-205
Gas Water Heater Control
Pressure Setting: 3.5" W.C.; Pilot: Fixed;
Brand: White-Rodgers Mfg #: 37C73U-168

16 Teflon Seal Gasket B16-827
16 Teflon Seal Gasket
Description: 16 Teflon Seal Gasket for 3/4" Valve (6-Pk.);
Brand: ESP Mfg #: TR034-6

Universal Replacement for Electric Water Heater Thermostats and Limits N45-073
Universal Replacement for Electric Water Heater Thermostats and Limits
Calibration: 120°F; Volts: 240; Application: Upper Combination T-Stat for 2 Element Tanks; Temp. Range: 90°F to 150°F; Type: Auto Reset SPDT;
Brand: White-Rodgers Mfg #: 756-50

Automatic Change-Over Switch L36-145
Automatic Change-Over Switch
F/L Amps @ 120V: 7.5; F/L Amps @ 240V: 3.75; L/R Amps @ 120V: 45; L/R Amps @ 240V: 22.5; Res. Amps: 15; VA Rating: 125;
Brand: White-Rodgers Mfg #: 752-1

Zone Valve L39-525
Zone Valve
Configuration: 2-Wire; Conn. Size: 1"; Cv: 37.0; De-Energized Position: NC;
Brand: White-Rodgers Mfg #: 1361-103

Strap-On Control L36-087
Strap-On Control
Switch Action: SPDT; Temp. Range: 100°F - 240°F; Diff.: Fixed 10°F ;
Brand: White-Rodgers Mfg #: 1127-2

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


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


Universal Replacement for Electric Water Heater Thermostats and Limits N45-074
Universal Replacement for Electric Water Heater Thermostats and Limits
Calibration: 120°F; Volts: 240; Application: Lower T-Stat for 2 Element Tanks; Temp. Range: 90°F to 150°F; Type: SPST T-Stat Only;
Brand: White-Rodgers Mfg #: 755-1

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

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

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

12 Teflon Seal Gasket B16-829
12 Teflon Seal Gasket
Description: 12 Teflon Seal Gasket for 1-1/4" Valve (6-Pk.);
Brand: ESP Mfg #: TR114-6

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

Horizontal Rotalock Valve B12-786
Horizontal Rotalock Valve
Description: Horizontal Rotalock Valve; Conn. Size: 7/8" ODF; Rotalock Conn.: 1-1/4" –12;
Brand: ESP Mfg #: H078OD114T
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