{"product_id":"sauermann-si-50-peristaltic-condensate-pump","title":"Sauermann SI-50 Peristaltic Condensate Pump for Air Conditioning Systems","description":"\u003ch2\u003eSauermann SI-50 Peristaltic Condensate Pump | SI50CE01UN23\u003c\/h2\u003e\u003cp\u003eThe Sauermann SI-50 is a peristaltic condensate pump designed for all types of air conditioning units up to 8kW: wall units, air conditioning cabinets, ceiling units, and ducted units. Controlled by the air conditioner compressor power signal (cooling signal), it activates when the compressor runs and continues operating for 4 minutes after the compressor stops to clear residual condensate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e The SI-50 is \u003cstrong\u003enot compatible with reversible or inverter systems\u003c\/strong\u003e as it must not be used in continuous operation. For inverter or reversible systems, see the \u003ca href=\"\/fr\/products\/sauermann-si-52-peristaltic-condensate-pump\"\u003eSauermann SI-52\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePeristaltic pump — quiet, vibration-free, self-priming operation\u003c\/li\u003e\n\u003cli\u003eCompressor live signal detection — wired directly to compressor line\u003c\/li\u003e\n\u003cli\u003eRuns 4 minutes after compressor stops — clears residual condensate\u003c\/li\u003e\n\u003cli\u003e12m maximum discharge head | 2m maximum suction head\u003c\/li\u003e\n\u003cli\u003e6 L\/h constant flow rate (regardless of discharge or suction head)\u003c\/li\u003e\n\u003cli\u003eIP55 protection — suitable for unventilated areas\u003c\/li\u003e\n\u003cli\u003e≤30 dBA — quiet, vibration-free operation\u003c\/li\u003e\n\u003cli\u003eThick, reinforced tube for longer service life\u003c\/li\u003e\n\u003cli\u003eResistance to contaminated condensate (particles and chemicals)\u003c\/li\u003e\n\u003cli\u003eEasy-open front panel — tool-free tube replacement\u003c\/li\u003e\n\u003cli\u003eGlass fuse replaceable in one step (standard 5×20 cartridge)\u003c\/li\u003e\n\u003cli\u003eCompact: L85 × W108 × H122mm\u003c\/li\u003e\n\u003cli\u003eCE \u0026amp; UKCA certified | RoHS \u0026amp; WEEE compliant | Made in France\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSI50CE01UN23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Flow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 L\/h (constant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Suction Head\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Discharge Head\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompressor live signal (cooling signal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRun-on Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 minutes after compressor stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMains Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V~ 50\/60Hz — 8W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤30 dBA at 1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIP Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL85 × W108 × H122mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating \u0026amp; Storage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+2°C to +45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight (with packaging)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE \u0026amp; UKCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFrance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eKit Contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePeristaltic pump SI-50\u003c\/li\u003e\n\u003cli\u003eCable 1.7m including 2 wires for power supply (P \u0026amp; N) + compressor line wire\u003c\/li\u003e\n\u003cli\u003eEasy 2-screw sliding plastic bracket\u003c\/li\u003e\n\u003cli\u003eØ15mm to Ø6mm adaptor + sleeve (ACC00927)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWall-mounted split AC units up to 8kW\u003c\/li\u003e\n\u003cli\u003eAir conditioning cabinets\u003c\/li\u003e\n\u003cli\u003eCeiling suspended units\u003c\/li\u003e\n\u003cli\u003eComputer room air conditioning\u003c\/li\u003e\n\u003cli\u003eDucted systems\u003c\/li\u003e\n\u003cli\u003eIdeal for dusty or chemical environments (bakeries, hairdressers, hotels)\u003c\/li\u003e\n\u003cli\u003eHotels — maintenance possible without accessing rooms\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSI-50 vs SI-51 vs SI-52 — Which Do I Need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eInverter\/Reversible?\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/fr\/products\/sauermann-si-50-peristaltic-condensate-pump\"\u003eSI-50\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCompressor live signal\u003c\/td\u003e\n\u003ctd\u003e❌ Not compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/fr\/products\/sauermann-si-51-peristaltic-condensate-pump\"\u003eSI-51\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal probes (temp differential)\u003c\/td\u003e\n\u003ctd\u003e❌ Not compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/fr\/products\/sauermann-si-52-peristaltic-condensate-pump\"\u003eSI-52\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eFloat switch\u003c\/td\u003e\n\u003ctd\u003e✅ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eReplaces PE5000\u003c\/h3\u003e\u003cp\u003eThe SI-50 is the direct successor to the discontinued Sauermann PE5000. Note: replacement heads (\u003ca href=\"\/fr\/products\/sauermann-pe5001-replacement-pump-head-unit-for-pe5000-pe5100-pe5200\"\u003ePE5001\u003c\/a\u003e) and tubes (\u003ca href=\"\/fr\/products\/sauermann-pe5002-replacement-tube-for-pe5000-pe5100-pe5200-condensate-pumps\"\u003ePE5002\u003c\/a\u003e) for the old PE series are \u003cstrong\u003enot compatible\u003c\/strong\u003e with the SI-50. Use ACC00954 (head) and ACC00953 (hose) for SI-50 servicing.\u003c\/p\u003e\u003ch3\u003eCompatible Accessories\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eACC00954 — Replacement head for SI-50, SI-51, SI-52\u003c\/li\u003e\n\u003cli\u003eACC00953 — Replacement hose for SI-50, SI-51, SI-52\u003c\/li\u003e\n\u003cli\u003eACC00927 — Multi-diameter reducing adaptor (Ø15mm to Ø6mm)\u003c\/li\u003e\n\u003cli\u003eACC20005 — 6× self-sealing fittings for Ø6mm (1\/4\") hose\u003c\/li\u003e\n\u003cli\u003eACC00909 — Clear PVC hose Ø6mm (5m)\u003c\/li\u003e\n\u003cli\u003eACC00910 — Clear PVC hose Ø6mm (50m)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/fr\/collections\/condensate-pump-accessories\"\u003eBrowse all Condensate Pump Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAlso in the Sauermann Peristaltic Range\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/sauermann-si-51-peristaltic-condensate-pump\"\u003eSauermann SI-51\u003c\/a\u003e — thermal probe detection, not for inverter\/reversible\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/sauermann-si-52-peristaltic-condensate-pump\"\u003eSauermann SI-52\u003c\/a\u003e — float switch detection, compatible with inverter\/reversible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does the SI-50 know when to run?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe SI-50 is wired directly to the air conditioner compressor line. It activates when the compressor runs and continues for 4 minutes after the compressor stops to clear any remaining condensate.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan the SI-50 be used with inverter or reversible AC systems?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The SI-50 must not be used in continuous operation and is incompatible with reversible and inverter systems. For these systems, use the \u003ca href=\"\/fr\/products\/sauermann-si-52-peristaltic-condensate-pump\"\u003eSauermann SI-52\u003c\/a\u003e instead.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between the SI-50, SI-51, and SI-52?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe SI-50 uses compressor live signal detection. The SI-51 uses thermal probes (temperature differential). The SI-52 uses a float switch and is the only model compatible with inverter and reversible systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I use PE5000 spare parts (PE5001 head, PE5002 tube) on the SI-50?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. PE series spare parts are not compatible with the SI-50\/51\/52. Use ACC00954 (replacement head) and ACC00953 (replacement hose) for SI series servicing.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the SI-50 work on UK 230V supply?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The SI-50 runs on 230V~ 50\/60Hz standard UK mains supply.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003eBrowse our full range of \u003ca href=\"\/fr\/collections\/peristaltic-condensate-pumps\"\u003eperistaltic condensate pumps\u003c\/a\u003e and \u003ca href=\"\/fr\/collections\/sauermann\"\u003eSauermann products\u003c\/a\u003e.\u003c\/p\u003e","brand":"Sauermann","offers":[{"title":"Default Title","offer_id":64122814431609,"sku":"SI-50","price":135.17,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/IMA_SI50CE01UN_LEFT_WIRE_01.png?v=1785481508","url":"https:\/\/www.airconspares.com\/fr\/products\/sauermann-si-50-peristaltic-condensate-pump","provider":"Airconspares.com","version":"1.0","type":"link"}