a reading of "Open" or no beep indicates the fuse has tripped and must be replaced

often caused by a restricted air filter

Direct Compatibility: Specifically engineered for the Johnson Controls T-4000 series pneumatic thermostats

It maintains the same electrical footprint and thermal setpoints as the original 626425

For field technicians and contractors maintaining Q-Mark or Berko heating units

MARS 34601 Element Kit a reading of "Open" orThe MARS 34601 is a robust 5000W element kit designed for field service professionals requiring a dependable replacement heater coil for electric furnaces, air handlers, and strip heaters. Operating at 240V, this kit features a high grade nichrome resistance coil with welded terminal bolts to ensure low resistance and a secure electrical connection. The 5000 watt 240 volt coil is close wound and stretch to length, providing the flexibility needed to