{"product_id":"crandall-stats-sensors-tk-1001-600-css","title":"Crandall TK-1001-600-CSS Thermostat","description":"\u003cp\u003eThe \u003cstrong\u003eCrandall Stats \u0026amp; Sensors TK-1001-600-CSS Aspirated Pneumatic Thermostat\u003c\/strong\u003e is a \u003cstrong\u003edirect-acting\u003c\/strong\u003e, \u003cstrong\u003e2-pipe\u003c\/strong\u003e room thermostat in the \u003cstrong\u003easpirated -600 style\u003c\/strong\u003e of the \u003cstrong\u003eTK-1001\u003c\/strong\u003e series. \u003cstrong\u003eDirect-acting\u003c\/strong\u003e means \u003cstrong\u003ebranch output pressure rises as room temperature rises\u003c\/strong\u003e. An \u003cstrong\u003easpirated\u003c\/strong\u003e thermostat uses a small flow of \u003cstrong\u003esupply air\u003c\/strong\u003e through an \u003cstrong\u003easpirator\u003c\/strong\u003e to \u003cstrong\u003edraw room air across the sensing element\u003c\/strong\u003e, so the thermostat reads \u003cstrong\u003eactual room temperature\u003c\/strong\u003e instead of the \u003cstrong\u003ewall temperature\u003c\/strong\u003e behind it. In the \u003cstrong\u003eTK-1001-600\u003c\/strong\u003e series the aspirated thermostat mounts in an \u003cstrong\u003eAT-509 wall box\u003c\/strong\u003e behind a \u003cstrong\u003ebrushed stainless steel cover\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe factory photo shows the \u003cstrong\u003eworking mechanism\u003c\/strong\u003e: a \u003cstrong\u003ecopper-colored linkage\u003c\/strong\u003e on a \u003cstrong\u003edark cast base\u003c\/strong\u003e, a \u003cstrong\u003ewhite dial wheel\u003c\/strong\u003e with its \u003cstrong\u003etemperature numbers\u003c\/strong\u003e, the \u003cstrong\u003eblack main tube\u003c\/strong\u003e and \u003cstrong\u003ewhite branch tube\u003c\/strong\u003e, and the \u003cstrong\u003eflat brushed metal cover plate\u003c\/strong\u003e with its \u003cstrong\u003elouvered slots\u003c\/strong\u003e that \u003cstrong\u003eadmit room air\u003c\/strong\u003e. \u003cstrong\u003eDirect-acting\u003c\/strong\u003e pneumatic thermostats in this series run on \u003cstrong\u003e15 or 20 psig\u003c\/strong\u003e \u003cstrong\u003esupply air\u003c\/strong\u003e, use \u003cstrong\u003e5\/32-inch tubing\u003c\/strong\u003e with a \u003cstrong\u003eblack main\u003c\/strong\u003e and \u003cstrong\u003ewhite branch\u003c\/strong\u003e, and have a \u003cstrong\u003ethrottling range\u003c\/strong\u003e adjustable from \u003cstrong\u003e2 to 10 degrees F per 10 psi\u003c\/strong\u003e. The \u003cstrong\u003eCrandall installer's guide\u003c\/strong\u003e for the \u003cstrong\u003eTK-1001\u003c\/strong\u003e series puts the \u003cstrong\u003emaximum safe ambient\u003c\/strong\u003e at \u003cstrong\u003e150 degrees F\u003c\/strong\u003e and \u003cstrong\u003eair capacity\u003c\/strong\u003e at \u003cstrong\u003e16 scim\u003c\/strong\u003e for the standard two-pipe models. The \u003cstrong\u003eTK-1000 series user guide\u003c\/strong\u003e lists \u003cstrong\u003e41.5 scim air consumption\u003c\/strong\u003e and \u003cstrong\u003e56 scim capacity\u003c\/strong\u003e for the \u003cstrong\u003eTK-1001-600\u003c\/strong\u003e, against \u003cstrong\u003e13.8 scim\u003c\/strong\u003e and \u003cstrong\u003e16 scim\u003c\/strong\u003e for the standard \u003cstrong\u003eTK-1001\u003c\/strong\u003e, so allow for the \u003cstrong\u003ehigher air use\u003c\/strong\u003e when you \u003cstrong\u003esize the compressor and mains\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e-600\u003c\/strong\u003e suffix is the \u003cstrong\u003easpirated version\u003c\/strong\u003e across the \u003cstrong\u003eTK-1001\u003c\/strong\u003e and \u003cstrong\u003eTK-1101\u003c\/strong\u003e series. The \u003cstrong\u003ereverse-acting\u003c\/strong\u003e aspirated counterpart is the \u003cstrong\u003eTK-1101-600\u003c\/strong\u003e, and the matching \u003cstrong\u003eCrandall\u003c\/strong\u003e part is \u003cstrong\u003eTK-1101-600-CSS\u003c\/strong\u003e, so check the \u003cstrong\u003eaction\u003c\/strong\u003e on your existing thermostat before you order. Mount the thermostat where \u003cstrong\u003eroom air can circulate\u003c\/strong\u003e to the \u003cstrong\u003elouvered cover\u003c\/strong\u003e, keep it away from \u003cstrong\u003esunlight\u003c\/strong\u003e, \u003cstrong\u003elamps\u003c\/strong\u003e and \u003cstrong\u003eheat sources\u003c\/strong\u003e, and keep the \u003cstrong\u003ecover openings clear\u003c\/strong\u003e of \u003cstrong\u003epaint\u003c\/strong\u003e, \u003cstrong\u003edust\u003c\/strong\u003e and \u003cstrong\u003ewall coverings\u003c\/strong\u003e, because a \u003cstrong\u003eblocked aspirator\u003c\/strong\u003e reads \u003cstrong\u003eslow and inaccurately\u003c\/strong\u003e. After installation, \u003cstrong\u003echeck calibration\u003c\/strong\u003e with a \u003cstrong\u003etest gauge\u003c\/strong\u003e on the \u003cstrong\u003ebranch line\u003c\/strong\u003e against an accurate \u003cstrong\u003ethermometer\u003c\/strong\u003e, then verify the \u003cstrong\u003eaction\u003c\/strong\u003e by \u003cstrong\u003eturning the dial\u003c\/strong\u003e through its range and watching the \u003cstrong\u003ebranch pressure\u003c\/strong\u003e respond.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAspirated sensing:\u003c\/strong\u003e Draws \u003cstrong\u003eroom air across the element\u003c\/strong\u003e, so the thermostat reads \u003cstrong\u003eactual room temperature\u003c\/strong\u003e and not the \u003cstrong\u003ewall behind it\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect-acting heating action:\u003c\/strong\u003e \u003cstrong\u003eBranch pressure rises with room temperature\u003c\/strong\u003e, matching the \u003cstrong\u003eTK-1001\u003c\/strong\u003e series.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStandard two-pipe pneumatic connections:\u003c\/strong\u003e \u003cstrong\u003e5\/32-inch tubing\u003c\/strong\u003e, \u003cstrong\u003eblack main\u003c\/strong\u003e, \u003cstrong\u003ewhite branch\u003c\/strong\u003e, on \u003cstrong\u003e15 or 20 psig\u003c\/strong\u003e \u003cstrong\u003esupply air\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlush cover plate:\u003c\/strong\u003e A \u003cstrong\u003eflat metal cover\u003c\/strong\u003e with \u003cstrong\u003elouvered slots\u003c\/strong\u003e gives a \u003cstrong\u003eclean wall appearance\u003c\/strong\u003e in finished spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does aspirated mean on a thermostat?\u003c\/strong\u003e\u003cbr\u003eA small flow of \u003cstrong\u003esupply air\u003c\/strong\u003e through an \u003cstrong\u003easpirator\u003c\/strong\u003e pulls \u003cstrong\u003eroom air across the sensing element\u003c\/strong\u003e, so the thermostat \u003cstrong\u003eresponds to true room temperature\u003c\/strong\u003e instead of \u003cstrong\u003ewall temperature\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the TK-1001-600-CSS direct-acting or reverse-acting?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eDirect-acting\u003c\/strong\u003e: \u003cstrong\u003ebranch pressure rises\u003c\/strong\u003e as the room warms. The \u003cstrong\u003ereverse-acting\u003c\/strong\u003e aspirated version in the series is the \u003cstrong\u003eTK-1101-600\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat supply air does it use?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eClean, dry, oil-free air\u003c\/strong\u003e at \u003cstrong\u003e15 or 20 psig\u003c\/strong\u003e, with \u003cstrong\u003e5\/32-inch tubing\u003c\/strong\u003e: \u003cstrong\u003eblack\u003c\/strong\u003e for the \u003cstrong\u003emain\u003c\/strong\u003e and \u003cstrong\u003ewhite\u003c\/strong\u003e for the \u003cstrong\u003ebranch\u003c\/strong\u003e. \u003cstrong\u003eAspirated thermostats use more air\u003c\/strong\u003e than the standard two-pipe models.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Crandall Stats \u0026 Sensors","offers":[{"title":"Default Title","offer_id":67935515443378,"sku":"TK-1001-600-CSS","price":430.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/TK-1001-600-CSS.jpg?v=1794080289","url":"https:\/\/www.gsistore.com\/en-ca\/products\/crandall-stats-sensors-tk-1001-600-css","provider":"GSIstore","version":"1.0","type":"link"}