30 Results

White-Rodgers, Mainstream Engineering, Software, Training, Testing, Tools & Training, Temperature & Humidity Measurement, Electrical Controls, Test Instruments, Controls, HVACR Parts

Heavy-duty Enclosed Fan Relay L37-100
Heavy-duty Enclosed Fan Relay
Coil Voltage: 24; Switch Action: SPNO-SPNC;
Brand: White-Rodgers Mfg #: 90-380

2 Pole Switching Relay L36-901
2 Pole Switching Relay
Coil Voltage: 24; Switch Action: DPDT;
Brand: White-Rodgers Mfg #: 90-340

Heavy-duty Enclosed Fan Relay L37-098
Heavy-duty Enclosed Fan Relay
Coil Voltage: 24; Switch Action: SPDT;
Brand: White-Rodgers Mfg #: 90-370

Enclosed Fan Relay L36-905
Enclosed Fan Relay
Coil Voltage: 24; Switch Action: SPDT;
Brand: White-Rodgers Mfg #: 90-293Q

Therm-o-Disc Electric Heat Sequencer L36-477
Therm-o-Disc Electric Heat Sequencer
Switches: 2; Timings: 1;
Brand: White-Rodgers Mfg #: 24A34-3

Therm-o-Disc Heat Sequencer L36-475
Therm-o-Disc Heat Sequencer
Switches: 1; Timings: 1;
Brand: White-Rodgers Mfg #: 24A34-1

2 Pole Switching Relay L36-902
2 Pole Switching Relay
Coil Voltage: 115/120; Switch Action: DPDT;
Brand: White-Rodgers Mfg #: 90-341

Therm-o-Disc Heat Sequencer L36-478
Therm-o-Disc Heat Sequencer
Switches: 2; Timings: 1;
Brand: White-Rodgers Mfg #: 24A34-4

Therm-o-Disc Heat Sequencer L36-480
Therm-o-Disc Heat Sequencer
Switches: 4; Timings: 2;
Brand: White-Rodgers Mfg #: 24A34-6

Enclosed Fan Relay L36-904
Enclosed Fan Relay
Coil Voltage: 24; Switch Action: SPNO;
Brand: White-Rodgers Mfg #: 90-290Q


Therm-o-Disc Heat Sequencer L36-476
Therm-o-Disc Heat Sequencer
Switches: 1; Timings: 1;
Brand: White-Rodgers Mfg #: 24A34-2

Therm-o-Disc Heat Sequencer L36-479
Therm-o-Disc Heat Sequencer
Switches: 3; Timings: 2;
Brand: White-Rodgers Mfg #: 24A34-5

2 Pole Switching Relay L36-903
2 Pole Switching Relay
Coil Voltage: 208/240; Switch Action: DPDT;
Brand: White-Rodgers Mfg #: 90-342

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

Transformer L39-560
Transformer
VA Rating: 40; Primary Voltage: 120/208/240; Secondary Voltage: 24; Mounting Configuration: Foot;
Brand: White-Rodgers Mfg #: 90-T40F3

Enclosed Fan Relay L37-096
Enclosed Fan Relay
Coil Voltage: 115/120; Switch Action: SPDT;
Brand: White-Rodgers Mfg #: 90-294Q

Enclosed Fan Relay L37-097
Enclosed Fan Relay
Coil Voltage: 208/240; Switch Action: SPDT;
Brand: White-Rodgers Mfg #: 90-295Q

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

Enclosed Fan Relay L38-128
Enclosed Fan Relay
Coil Voltage: 115/120; Switch Action: SPNO;
Brand: White-Rodgers Mfg #: 90-291Q

Therm-o-Disc Heat Sequencer L37-101
Therm-o-Disc Heat Sequencer
Switches: 5; Timings: 4;
Brand: White-Rodgers Mfg #: 24A34-14

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

Enclosed Fan Relay L38-129
Enclosed Fan Relay
Coil Voltage: 208/240; Switch Action: SPNO;
Brand: White-Rodgers Mfg #: 90-292Q

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
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