this 24v single stage vert-stat is professionally rated for both standard 24VAC and 750mV millivolt systems

ensuring perfect electrical integration and reducing troubleshooting time

this orifice threads directly into the valve body to facilitate rapid field maintenance and prevent hunting or flickering in downstream boilers and furnaces

significantly reducing field installation time

or visible cracks in the ceramic insulator causing the arc to ground prematurely

Johnson Controls A-4000-635 Filter Element this 24v single stage vert-statThe Johnson Controls A 4000 635 is a high efficiency 5 SCFM filter element designed for critical air filtration within pneumatic control systems. Engineering for reliability, this dry type filter features a 1 2 inch NPT connection and delivers a 99% efficiency rating at 10 microns. Its robust design is purpose built for intake air filtration, effectively removing contaminants to protect sensitive downstream components like the A 4400 Series air