Apollo Orbis A1S Heat Detector with flashing LED ORB-HT-11167-APO

Description Apollo Orbis A1S Heat Detector with flashing LED. The Orbis Heat Detector monitors the temperature by using a single thermistor which provides a voltage output proportional to the external air temperature. Apollo Part Numbers: ORB-HT-11166-APO, ORB-HT-11001-APO, ORB-HT-11002-APO, ORB-HT-11003-APO, ORB-HT-11004-APO, ORB-HT-11005-APO, ORB-HT-11006-APO, ORB-OP-12003-APO, ORB-OH-13003-APO, ORB-HT-11167-APO, ORB-HT-11013-APO, ORB-HT-11014-APO, ORB-HT-11015-APO, ORB-HT-11016-APO, ORB-HT-11017-APO, ORB-HT-11018-APO Made in the UK