div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=nsi-3000-home-comfort-report-holt-plumbing-the-nsi-3000tm-low-levelhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: NSI 3000 Home Comfort Report - Holt Plumbing …The NSI 3000TM low-level monitor senses CO levels as low as 5 ppm parts per million Infants chil- dren elderly and people loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220604165f140b0413b99344a66bc7ebhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=nsi-3000-home-comfort-report-holt-plumbing-the-nsi-3000tm-low-levelhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: NSI 3000 Home Comfort Report - Holt Plumbing …The NSI 3000TM low-level monitor senses CO levels as low as 5 ppm parts per million Infants chil- dren elderly and people loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220604165f140b0413b99344a66bc7ebhtml5thumbnails2jpg width=140 height=200 divdiv