31 Results

MARS, Mainstream Engineering, ESP, Temperature & Humidity Measurement, Test Instruments, Testing, Tools & Training, Training, Tools, Ventilation & IAQ

Universal Humidifier Solenoid B17-395
Universal Humidifier Solenoid
Description: Universal Humidifier Solenoid 24V Kit with Multiple Fittings;
Brand: ESP Mfg #: UHS24

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




Replacement Humidifier Pad B12-142
Replacement Humidifier Pad
Description: 9-7/8" x 9-7/8" x 1-7/8"; Replaces: Aprilaire Models 110, 120, 550;
Brand: ESP Mfg #: A10PR

Replacement Humidifier Pad B12-144
Replacement Humidifier Pad
Description: 10" x 13" x 1-1/2"; Replaces: Aprilaire Model 350, 360, 560, 760;
Brand: ESP Mfg #: A35PR

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

Replacement Humidifier Pad B12-143
Replacement Humidifier Pad
Description: 14-7/8" x 11-3/8" x 1-7/8"; Replaces: Aprilaire Models 112, 136, 224, 440, 445;
Brand: ESP Mfg #: A12PR

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 Humidifier Solenoid B21-079
Universal Humidifier Solenoid
Description: Universal Humidifier Solenoid 24V;
Brand: ESP Mfg #: UHS99

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

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


Sure Temp B13-598
Sure Temp
Temp. Range: -40°F to +180°F;
Brand: ESP Mfg #: ST1236-31


Universal Humidifier Solenoid B17-396
Universal Humidifier Solenoid
Description: Universal Humidifier Solenoid 120V Kit with Multiple Fittings;
Brand: ESP Mfg #: UHS120

Aluminum Form Holder Clipboard G31-164
Aluminum Form Holder Clipboard
Description: Side Opening; Dimensions: 9" x 12-3/4" x 1"; Length: 9"; Width: 1"; Height: 12-3/4"; Compartments: 2;
Brand: MARS Mfg #: 79555

Blue Storage Bin Heavy Duty W69-185
Blue Storage Bin Heavy Duty
Description: Bin; Dimensions: 4" x 11-5/8" x 4-1/8"; Length: 11-5/8"; Width: 4-1/8"; Height: 4"; Compartments: 1;
Brand: MARS Mfg #: 79764

Aluminum Form Holder Clipboard G32-085
Aluminum Form Holder Clipboard
Description: Top Opening; Dimensions: 14-1/4" x 9" x 2-3/4"; Length: 9"; Width: 2-3/4"; Height: 14-1/4"; Compartments: 2;
Brand: MARS Mfg #: 79558

Blue Storage Bin Heavy Duty W69-186
Blue Storage Bin Heavy Duty
Description: Bin; Dimensions: 4" x 11-5/8" x 6-5/8"; Length: 11-5/8"; Width: 6-5/8"; Height: 4"; Compartments: 1;
Brand: MARS Mfg #: 79765

Polypropylene Utility Box Clear organizer G22-352
Polypropylene Utility Box Clear organizer
Description: Adjustable Compartment Box; Dimensions: 1-3/8" x 8-1/4" x 4-1/4"; Length: 8-1/4"; Width: 4-1/4"; Height: 1-3/8"; Compartments: 5–9;
Brand: MARS Mfg #: 79644

Blue Storage Bin Heavy Duty W69-187
Blue Storage Bin Heavy Duty
Description: Bin; Dimensions: 4" x 11-5/8" x 8-1/4"; Length: 11-5/8"; Width: 8-1/4"; Height: 4"; Compartments: 1;
Brand: MARS Mfg #: 79766
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