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

or differential air pressure in HVACR systems

it integrates a manual valve

providing reliable cross-connection control in commercial and residential plumbing installations

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

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