Lennox 603408-12, Smoke Detector Dual Sensor Kit
Cat # : 21Z12
Model/Part # : 603408-12
Product Overview
Smoke Detector Kit - Supply or Return, Power Board and 2 Sensors
For KC/KG/KH024-090 & LG/LC/LH/LD 036-074 Units
Includes:
(2) Smoke detector sensors
Smoke detector power board
Supply bracket
Supply brace
Return bracket (used on KC, KG & KH units only)
Return brace (used on KC, KG & KH units only)
Power harness
Supply and return air harness
(2) Metal sampling tubes
(2) Plastic exhaust tubes
(2) Magnets
Sensor manufacturer's instructions
#10 - 16 X 3/4” sheet metal screws
#8 - 32 X 1” thread-forming screws