{"product_id":"yamato-cf-303y-water-circulator-chiller-heating-cooling-20c-to-30c-3-9l-115v","title":"Yamato CF-303Y Water Circulator\/Chiller -20°C to 30°C 3.9L 115V","description":"\u003ca href=\"\/pages\/laboratory-chiller-sizing-calculator-free-btu-calculatorwel\" style=\"text-decoration: none; display: block;\"\u003e\n  \u003cdiv style=\"background-color: #faf8f3; border: 2px solid #D9CD95; border-radius: 8px; padding: 15px; margin: 20px 0; text-align: center; cursor: pointer;\"\u003e\n    \u003cp style=\"font-size: 16px; margin: 0; color: #333;\"\u003e\n      \u003cstrong\u003e🧮 Need Help Sizing Your Chiller? Use our Free Chiller Sizing Calculator →\u003c\/strong\u003e\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/a\u003e\n\n\u003cp\u003e\u003cstrong\u003eYamato CF-303Y — Laboratory Water Circulator\/Chiller, -20°C to 30°C, 3.9L, 115V\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/labstockdirect.com\/pages\/contact-us\" rel=\"noopener\" target=\"_blank\"\u003eContact us\u003c\/a\u003e to confirm current lead times and real-time availability for this model.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eYamato CF-303Y\u003c\/strong\u003e is a compact, high-performance \u003cstrong\u003elaboratory water circulator\/chiller\u003c\/strong\u003e designed for precise temperature control in research and analytical lab environments. With a \u003cstrong\u003e3.9L stainless steel bath\u003c\/strong\u003e and a cooling range of \u003cstrong\u003e-20°C to 30°C\u003c\/strong\u003e (cooling only — no heating function), the CF-303Y delivers stable, reliable fluid temperature control for rotary evaporators, analytical instruments, jacketed reactors, and other lab equipment requiring consistent process cooling.\u003c\/p\u003e\n\n\u003cp\u003eThe CF-303Y is a popular \u003cstrong\u003erotary evaporator chiller\u003c\/strong\u003e and \u003cstrong\u003elaboratory recirculating chiller\u003c\/strong\u003e for pharmaceutical, chemical, and university research labs. Its closed-loop circulation system, R452A refrigerant, and space-saving footprint make it an ideal \u003cstrong\u003ebenchtop lab chiller\u003c\/strong\u003e for facilities requiring dependable sub-ambient cooling without a large equipment footprint. The plug-and-play 115V operation requires no special wiring, making it easy to deploy in any standard lab environment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling range: -20°C to 30°C\u003c\/strong\u003e (cooling only — no heating function)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.9L stainless steel bath\u003c\/strong\u003e (3.5L usable liquid volume)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling capacity:\u003c\/strong\u003e ~450W at 10°C \/ ~330W at -10°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature control accuracy:\u003c\/strong\u003e ±1.0°C (≥20°C) \/ ±1.5°C (\u0026lt;0°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax flow rate:\u003c\/strong\u003e ~10 L\/min | \u003cstrong\u003eMax head:\u003c\/strong\u003e ~5.7m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR452A refrigerant\u003c\/strong\u003e | Stainless steel cooling coil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser-friendly controller:\u003c\/strong\u003e White LED digital display, key entry, 1°C minimum digit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient circulation pathway:\u003c\/strong\u003e One-touch swivel connector, compatible with 10mm OD hard tube or 9mm ID flexible hose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy condensate drainage:\u003c\/strong\u003e Drain port located near upper rear connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront-mounted filter plate\u003c\/strong\u003e for easy cleaning and maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto resume function\u003c\/strong\u003e and calibration offset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e115V \/ single phase\u003c\/strong\u003e — standard outlet, no special wiring required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e 205 × 396 × 535mm (~30kg)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1-year Yamato manufacturer warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eShips directly from Yamato USA in California\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eFree shipping to the continental US (in-stock items typically ship within 3–5 days)\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eIncludes Yamato's full 1-year manufacturer warranty\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003e7-day price match guarantee from date of purchase\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eAlaska, Hawaii, and international shipping available — contact us for rates\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReady to add precise laboratory process cooling to your workflow? Order with confidence today.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specs\u003c\/span\u003e\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e\u003cem\u003e\u003cstrong\u003eCF-303Y\u003c\/strong\u003e\u003c\/em\u003e\u003c\/th\u003e\n\u003cth\u003eCF-313Y\u003c\/th\u003e\n\u003cth\u003eCF-802A\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBath capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e\u003cstrong\u003e~3.9L (3.5L usable)\u003c\/strong\u003e\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e~3.9L (3.5L usable)\u003c\/td\u003e\n\u003ctd\u003e~15.5L (14L usable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemp. setting range\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e-20°C to 30°C (cooling only — no heating function)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemp. control accuracy\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e±1.0°C (≥20°C) \/ ±1.5°C (\u0026lt;0°C)\u003c\/td\u003e\n\u003ctd\u003e±1.0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemp. fluctuation\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e2.0°C (≥20°C) \/ 3.0°C (\u0026lt;0°C)\u003c\/td\u003e\n\u003ctd\u003e3.0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling capacity\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e~450W at 10°C \/ ~330W at -10°C\u003c\/td\u003e\n\u003ctd\u003e~1,320W at 10°C \/ ~700W at -10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax flow rate\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e~10 L\/min\u003c\/td\u003e\n\u003ctd\u003e~14 L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax head\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e~5.7m\u003c\/td\u003e\n\u003ctd\u003e~14.3m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eR452A\u003c\/td\u003e\n\u003ctd\u003eR410A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigeration system\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eAir cooling, 450W\u003c\/td\u003e\n\u003ctd\u003eAir cooling, 700W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling coil\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower source\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e\u003cstrong\u003e115V \/ 1PH \/ 6.8A (with plug)\u003c\/strong\u003e\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e220V \/ 1PH \/ 4A (no plug)\u003c\/td\u003e\n\u003ctd\u003e115V \/ 15A (with plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W×D×H mm)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e205 × 396 × 535 (225 × 434 × 564 w\/ protrusions)\u003c\/td\u003e\n\u003ctd\u003e340 × 370 × 838 (340 × 408 × 920 w\/ protrusions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e~30 kg\u003c\/td\u003e\n\u003ctd\u003e~44 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating ambient temp.\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e5°C to 35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e1 year manufacturer warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003e*Temperature setting range: Unit does not feature a heating function. Depending on ambient temperature or connection conditions, temperature may not reach -20°C.\u003cbr\u003e\n*Performance based on 115V\/220V supplied power and 20°C ambient temp. Temp. control accuracy and fluctuation calculated per JTM K05 and JIS respectively.\u003cbr\u003e\n*Pump performance based on tap water at 20°C.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003eApplications\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary evaporator cooling:\u003c\/strong\u003e Stable condenser fluid temperature for solvent recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical \u0026amp; biotech labs:\u003c\/strong\u003e Small-scale synthesis, fermentation, and sample cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalytical instruments:\u003c\/strong\u003e Consistent fluid temperature for spectrometers, chromatography, and detectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacketed reactor cooling:\u003c\/strong\u003e Precise temperature control for chemical reactions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversity \u0026amp; research labs:\u003c\/strong\u003e Versatile benchtop recirculating chiller for multi-instrument setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical device \u0026amp; clinical labs:\u003c\/strong\u003e Reliable sub-ambient cooling for sensitive equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDownloads\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/7691\/8466\/files\/CF_Series_Water_Circulator_Info.pdf?v=1751569770\" title=\"Yamato CF Series Water Circulator\/Chiller Info sheet\"\u003eYamato CF Series Water Circulator\/Chiller Info\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/7691\/8466\/files\/Water-Circulator-and-Cold-Trap-Overview.pdf?v=1751566486\" title=\"Yamato Water Circulator\/Chiller and Cold Trap Overview\"\u003eYamato Water Circulator\/Chiller and Cold Trap Overview\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003eYamato Return Notes\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamato Parts:\u003c\/strong\u003e 15-day return limit from date of purchase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamato Equipment Returns:\u003c\/strong\u003e Approved on a case-by-case basis — please contact us to discuss your specific situation\u003c\/li\u003e\n\u003cli\u003eFor all return inquiries, please contact our customer service team\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yamato","offers":[{"title":"Default Title","offer_id":46526356553922,"sku":"CF-303Y","price":2575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7691\/8466\/files\/CF303YWaterChiller.png?v=1767004341","url":"https:\/\/labstockdirect.com\/products\/yamato-cf-303y-water-circulator-chiller-heating-cooling-20c-to-30c-3-9l-115v","provider":"Lab Stock Direct","version":"1.0","type":"link"}