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D4120W duct smoke detector features a pivoting housing that fits various applications: both square and rectangular footprints mount to round or rectangular ductwork
Fasco 7021-9000
with high ambient temperature ratings
WHJ300A3S0002B4C0A1A1A0C40100000000000D1
Low cost replacement control for Honeywell
ICM - ICM290A Universal OEM DSI Replacement Control UV LIGHT D4120W duct smoke detector featuresUniversal intermittent pilot gas ignition control Low cost replacement control for Honeywell, White Rodgers, Robertshaw and others Provides ignition sequence, flame monitoring and safety shutoff for single dual rod intermittent pilot control applications For gas fired furnaces, boilers and other heating appliances Switch selectable pre purge and ignition time trials with permanent lock Works with or without vent damper connected Works with both
US$ 125.00
US$ 189.00
US$ 746.09
US$ 14.25
