Part Number: 150D01-180-2 (Sensor temp. - fire detector ass) Part Number: 150D01190 (Detector, fire) Part Number: 150D01-190-2 (Fire detector) Part Number: 150D01-200 (Temp probe) Part Number: 150D-01-200-2 (Detector assy overh) Part Number: 150D01-210 (Detector) Part Number: 150D01-210-2 (Fire detector) Part Number: 150D01225 (Detector, fire) Part Number: 150D01-225-2 (Fire detector) Part Number: 150D01230 (Fire:detector) Part Number: 150D012302 (Detector assy heat) Part Number: 150D01275 (Fire and overheat detector) Part Number: 150D01-275-2 (Fire detector) Part Number: 150D012752-T (Fire detector.)