Carbon monoxide hazard from sealed chimney Heard on: Westchester County Fire/EMS/PD 00:15 00:00 (number withheld) North Chatsworth Avenue. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 (number withheld) North Chatsworth Avenue. 00:02 Contractors had sealed the chimney at the roof, not allowing CO to escape from the boilers and hot water heaters. 00:10 Situation has been corrected. 00:13 Condition corrected, units are service. 6/23/2026 04:02 PM Fire & Arson Chatsworth Gardens, 14 N Chatsworth Ave, Larchmont, NY 10538 View on map