| Brand | Honeywell |
|---|---|
| Type | Smoke Detectors |
| Model | SD505 ADHR |
| MPN | Silent Knight SD505 ADHR |
Check the listing for details. SILENT KNIGHT SD505-ADHR Duct Detector (built-in Relay) w/SD505-APS Smoke Head. Condition: Used. Listed at 540.00 USD. * WITH SD505 APS Smoke Head ** Removed due to system upgrade / *** Functional / Tested All electrical parts/components on the board have been cleaned. The smoke chamber of the smoke detector was cleaned and blown out. *** The SD505-ADHR is a is a heavy-duty metal housing ; with a built-in relay module that is used to control a fan motor to stop air flow in a fire alarm situation. Silent Knight SD505-ADHR addressable duct smoke detector detects smoke and products of combustion present in air moving through an HVAC duct to prevent re-circulation of smoke into the air handling system. **** The SD505-ADHR can be powered from a 120 VAC, 240 VAC, or 24 VDC/VAC power source.
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