{"product_id":"sauermann-si-52-peristaltic-condensate-pump","title":"Sauermann SI-52 Peristaltic Condensate Pump for Air Conditioning Systems","description":"\u003ch2\u003eSauermann SI-52 Peristaltic Condensate Pump | SI52CE01UN23\u003c\/h2\u003e\u003cp\u003eThe Sauermann SI-52 is a peristaltic condensate pump designed for all types of air conditioning units up to 8kW, including wall units, air conditioning cabinets, ceiling units, and ducted units. Controlled by a float switch with three detection levels (on, off, safety), the safety contact automatically stops the air conditioner compressor or solenoid valve to prevent condensate overflow. The SI-52 is the direct replacement for the discontinued Sauermann PE5200.\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\u003eFloat switch detection — 3 levels: On (16mm), Off (11mm), Safety (19mm)\u003c\/li\u003e\n\u003cli\u003eSafety contact stops AC compressor or solenoid valve on overflow\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\u003eSI52CE01UN23\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\u003eFloat switch — 3 levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOn: 16mm | Off: 11mm | Safety: 19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety Switch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNF 8A resistive — 250V\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\u003eSound Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤30 dBA\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\u003eDetection Unit Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL55 × W38 × H37.5mm\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\u003e1.04kg\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-52\u003c\/li\u003e\n\u003cli\u003eCable 1.7m including 2 wires for power supply (P \u0026amp; N)\u003c\/li\u003e\n\u003cli\u003e2 safety switch wires (1.7m)\u003c\/li\u003e\n\u003cli\u003eEasy 2-screw sliding plastic bracket\u003c\/li\u003e\n\u003cli\u003eDetection unit SI2958 (1.5m cable)\u003c\/li\u003e\n\u003cli\u003eDetection unit installation kit: vent tube int. Ø4 × L75mm, mounting rail, adhesive\u003c\/li\u003e\n\u003cli\u003e90° connector Ø15mm × 45 × 152mm\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\u003eSuitable for dusty or chemical environments (bakeries, hairdressers, hotels)\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=\"\/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=\"\/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=\"\/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 PE5200\u003c\/h3\u003e\u003cp\u003eThe SI-52 is the direct successor to the discontinued \u003ca href=\"\/products\/sauermann-pe5200-peristaltic-condensate-pump-with-remote-detection-reservoir\"\u003eSauermann PE5200\u003c\/a\u003e. Note: replacement heads (ACC00954) and hoses (ACC00953) for the SI-50\/51\/52 are \u003cstrong\u003enot backward-compatible\u003c\/strong\u003e with the older PE series.\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\u003eACC00919 — 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=\"\/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=\"\/products\/sauermann-si-50-peristaltic-condensate-pump\"\u003eSauermann SI-50\u003c\/a\u003e — compressor signal detection, not for inverter\/reversible\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/sauermann-si-51-peristaltic-condensate-pump\"\u003eSauermann SI-51\u003c\/a\u003e — thermal probe detection, not for inverter\/reversible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the SI-52 a direct replacement for the PE5200?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The SI-52 uses float switch detection and is Sauermann's recommended direct replacement for the discontinued PE5200.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I use PE5200 spare parts (tubes, heads) on the SI-52?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The replacement heads (ACC00954) and hoses (ACC00953) for the SI-50\/51\/52 are not backward-compatible with the older PE series. Sauermann recommends replacing the complete unit with an SI-52.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between the SI-52 and the SI-51?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe SI-51 uses temperature differential (thermal probe) detection and is not compatible with reversible or inverter systems. The SI-52 uses float switch detection and is compatible with a wider range of AC systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the SI-52 work on UK 230V supply?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The SI-52 runs on 230V~ 50\/60Hz standard UK mains supply.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the SI-52 suitable for R32 systems?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The pump handles condensate water only and is refrigerant-agnostic.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003eBrowse our full range of \u003ca href=\"\/collections\/peristaltic-condensate-pumps\"\u003eperistaltic condensate pumps\u003c\/a\u003e and \u003ca href=\"\/collections\/sauermann\"\u003eSauermann products\u003c\/a\u003e.\u003c\/p\u003e","brand":"Sauermann","offers":[{"title":"Default Title","offer_id":64122716717433,"sku":"SI-52","price":144.9,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/IMA_SI52CE01UN_LEFT_01.png?v=1785475191","url":"https:\/\/www.airconspares.com\/products\/sauermann-si-52-peristaltic-condensate-pump","provider":"Airconspares.com","version":"1.0","type":"link"}