Thermostats, Controls & Zoning
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Diversitech Smokeys Smoke Emitter Cartridges 75 Second Burn Time, 600 Cubic Feet Pack of 10
Diversitech
$23.22Smoke emitter cartridges provide effective, low cost leak testing of heat exchangers, air ducts, tanks and boilers. Visual air balancing of HVAC systems. Cartridges produce clean, non-toxic, oil-free smoke through chemical reaction. Use also for fire...3343$23.22 -
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector
System Sensor
$161.19Series/Model: InnovairFlex SeriesThe InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork.Sampling Tubes are not included ...39900$161.19