Home » Components » Fireye » Burner Controls » NEXUS » O2 PROBES FOR PPC4000 / NXF4000 » Fireye NXCESO2‐8 O2 probe assembly ‐ 8″ insertion Fireye NXCESO2‐8 O2 probe assembly ‐ 8″ insertion NXCESO2‐8 O2 probe assembly ‐ 8″ insertion. Does NOT Include ambient temperature sensor. Order mounting flange separately. Add to Quote CartThis is a Request for Quote Only. Manufacturer Info Fireye << return to components