Home » Components » Fireye » Burner Controls » NEXUS » TEMPERATURE SENSORS FOR NX3100 / NX4100 / NX5100 / NX6100 » Fireye NX1040‐1 Boiler Temperature Sensor Fireye NX1040‐1 Boiler Temperature Sensor NX1040‐1 Boiler Temperature Sensor with self test feature: 32 – 302 F, 0 – 150 C, 6″ length, 1/4″ dia., thermowell required, not provided. Add to Quote CartThis is a Request for Quote Only. Manufacturer Info Fireye << return to components