the MARS 19004 features a universal break-off bracket and includes the QC-6 conversion kit to seamlessly adapt between screw-on and push-on terminal configurations

5" to 8" accommodates multiple duct dimensions

making it a drop-in Barber Colman replacement actuator for retrofits or new construction

using a 440Vac run capacitor where a 370V was factory-installed)

or differential air pressure in HVACR systems

Fieldpiece SC640 Clamp Meter R-410A the MARS 19004 features aThe Fieldpiece SC640 Swivel Head Clamp Meter is a heavy duty top of the line digital multimeter designed specifically for the rigorous demands of commercial HVACR technicians. Featuring True RMS (TRMS) technology, this meter provides precise readings on distorted waveforms, which is essential for troubleshooting variable frequency drives and modern high efficiency motors. The 180 degree swivel head design allows for unobstructed viewing of the 5,000