Product Description Detailed Specs Downloads Reviews/Questions Product Description M-4206 PRESENT SENSOR COVER Detailed Specs MFG Part Number 16-2877-01 Product Type Accessory Product Family M-4206 PDF-1 None PDF-2 None PDF-3 None PDF-4 None PDF-5 None Downloads Reviews/Questions The Honeywell 16-2877-01 is also known as HON -16287701 or 16287701