div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=description-the-101-digi-and-the-ioidigits-auto-changeover-zone-thermostats-arehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · Description: The 101 DIGI and the IOIDIGITS auto changeover zone thermostats are specifically designed for use with the California Economizer System 2000 and System 1000 zone loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220525195f12b9db4e469124b11262c6html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=description-the-101-digi-and-the-ioidigits-auto-changeover-zone-thermostats-arehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: · Description: The 101 DIGI and the IOIDIGITS auto changeover zone thermostats are specifically designed for use with the California Economizer System 2000 and System 1000 zone loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220525195f12b9db4e469124b11262c6html5thumbnails2jpg width=140 height=200 divdiv