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Universal 24Vac /Vdc supply voltage
The Notifier InnovairFlex D4120 and D4120W multi-voltage 4-wire photoelectric duct smoke detectors features a pivoting housing that fits various applications: both square and rectangular footprints and mounts to round or rectangular duct work
Digital time switch used to switch plant on and off
Clear user display elements and ease of operation are an additional plus
TR Series Room Temperature Sensors TR Series:TR2500W - Temperature Sensor Room 10K @ 25ºC Universal 24Vac /Vdc supply voltageThe TR2100 room temperature sensor is a thermistor sensor, 2K @ 25C NTC in a 117 x 76mm deep vent enclosure. The TR2500 room temperature sensor is a thermistor sensor, 10K @ 25C NTC in a 117 x 76mm deep vent enclosure. The TR4100 room temperature sensor is a thermistor sensor, 4K @ 25C NTC in a 117 x 76mm deep vent enclosure. This room sensor can be used where two areas are required to be averaged. The enclosure is a standard electrical wall plate