Hydronics & Plumbing Valves & Controls Tools Training Testing, Tools & Training Test Instruments Temperature & Humidity Measurement Mainstream Engineering
88 Results
Taco, Mainstream Engineering, Temperature & Humidity Measurement, Test Instruments, Testing, Tools & Training, Training, Tools, Valves & Controls, Hydronics & Plumbing
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
L37-499
Heat Motor Zone Valve
Description: Zone Valve; Conn. Size: 3/4" SWT; Normal Flow Range: 4.5 to 6.0 GPM; Temp. Range: 40°F to 240°F; Max. Working Pressure: 125 PSI; Pressure Drop Equiv. Ft.: 20;
Brand: Taco
Mfg #: 571-2
L38-555
Heat Motor Zone Valve Replacement Power Unit
Description: Replacement Head;
Brand: Taco
Mfg #: 555-173RP
L41-607
Pressure Reducing Valve
Conn. Size: 1/2" Sweat (Inlet), 1/2" NPT (Outlet); Pressure Range PSIG: 10 to 25; Body Type: Cast Iron;
Brand: Taco
Mfg #: 329-3
L46-420
Hydronic Switching Relay
Description: 1 Zone Relay; F/L Amps: 5.0; Width: 4-1/4"; Height: 5-1/4"; Depth: 2-3/4";
Brand: Taco
Mfg #: SR501-4
B13-042
EPA Section 608 Test Qwik608®
Description: Qwik608® — EPA Test Only: English Paper Test Only;
Brand: Mainstream Engineering
Mfg #: QT3001
L46-429
Zone Valve Control
Description: 4 Zone w/Priority; Max. Output @ 24V: 40VA; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco
Mfg #: ZVC404-4
L45-868
Zone Sentry® Zone Valve
Configuration: 2-Way; Conn. Size: 3/4" Sweat; Cv: 10.3; Volts: 24;
Brand: Taco
Mfg #: Z075C2-2
L41-608
Pressure Reducing Valve
Conn. Size: 3/4" NPT (Inlet), 3/4" NPT (Outlet); Pressure Range PSIG: 10 to 50; Body Type: Bronze;
Brand: Taco
Mfg #: 335-3
L41-625
Variable Speed Pump Injection Mixing Control
Description: Variable Speed Injection Mixing Control;
Brand: Taco
Mfg #: PC705-2
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
R57-422
Lead Free Thermostatic Mixing Valves A.S.S.E 1017 Certified
Conn. Size: 3/4"; Max. Flow: 10.6 GPM; Max. Pressure: 200 PSI;
Brand: Taco
Mfg #: 5003-C3
L46-423
Hydronic Switching Relay
Description: 4 Zone w/Priority; F/L Amps: 20.0; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco
Mfg #: SR504-4
L46-428
Zone Valve Control
Description: 3 Zone; Max. Output @ 24V: 40VA; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco
Mfg #: ZVC403-4
L37-500
Heat Motor Zone Valve
Description: Zone Valve; Conn. Size: 1" SWT; Normal Flow Range: 6.0 to 10.0 GPM; Temp. Range: 40°F to 240°F; Max. Working Pressure: 125 PSI; Pressure Drop Equiv. Ft.: 60;
Brand: Taco
Mfg #: 572-3
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
B15-370
EPA Section 608 Test Qwik608®
Description: Qwik608® — EPA Test Only: Online QwikTest Only (bilingual);
Brand: Mainstream Engineering
Mfg #: QT3008
L46-431
Zone Valve Control
Description: 6 Zone w/Priority; Max. Output @ 24V: 80VA; Width: 11-3/4"; Height: 7-1/2"; Depth: 3";
Brand: Taco
Mfg #: ZVC406-4
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