{"product_id":"nanomat-drive-unit-sensor","title":"NanoMat Drive Unit \u0026 Sensor","description":"\u003cp\u003e\u003cstrong\u003eThe part that makes a NanoMat automatic rather than manual.\u003c\/strong\u003e This is genuine Red Sea part R35493, the NanoMat drive unit and water level sensor supplied as one assembly. The sensor watches the water level inside the filter chamber; when the fleece blinds and the level rises past the trigger point, the drive unit winds fresh fleece off the roll. If your NanoMat has stopped advancing on its own, is advancing constantly, or has started overflowing the chamber, this is the assembly that fixes it.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Red Sea R35493\u003c\/strong\u003e — drive motor and sensor together, as Red Sea supplies them; they are not sold separately for the NanoMat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-level solid-state sensor\u003c\/strong\u003e — one level triggers the fleece advance, a second level 1 cm higher acts as an overflow safeguard when the return pump is off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimed advance logic\u003c\/strong\u003e — a five second delay before it moves, and a minimum thirty seconds between consecutive advances, so surface turbulence does not trigger a runaway roll.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo fleece wasted on false triggers\u003c\/strong\u003e — the roll only moves when the chamber genuinely backs up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003eR35493\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003ctd\u003eNanoMat drive unit and water level sensor assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eRed Sea NanoMat (all units)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor type\u003c\/th\u003e\n\u003ctd\u003eDual-state solid-state water level sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSafety level offset\u003c\/th\u003e\n\u003ctd\u003e1 cm above the advance level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdvance delay\u003c\/th\u003e\n\u003ctd\u003e5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum interval between advances\u003c\/th\u003e\n\u003ctd\u003e30 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating voltage\u003c\/th\u003e\n\u003ctd\u003e12 V DC, supplied by the NanoMat power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNanoMat power supply\u003c\/th\u003e\n\u003ctd\u003e100–240 V, 50\/60 Hz (AU mains compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNanoMat maximum power draw\u003c\/th\u003e\n\u003ctd\u003e10 W at 1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e5 to 45 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eMarine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eVoltage, power draw and temperature figures are for the NanoMat as a whole, taken from Red Sea's NanoMat manual. Red Sea does not publish a separate power rating for the drive unit on its own.\u003c\/p\u003e\n\n\u003ch3\u003eWill it fit my NanoMat?\u003c\/h3\u003e\n\u003cp\u003eR35493 is the drive unit and sensor for the NanoMat, whichever sump the NanoMat is sitting in. Red Sea lists the NanoMat itself as fitting the MAX Nano 2G rear sump, Reefer sumps, and standalone sumps where it replaces four standard 4 inch filter socks using the adapter ring.\u003c\/p\u003e\n\u003cp\u003eIt is \u003cstrong\u003enot\u003c\/strong\u003e a ReefMat part. The ReefMat 250, 500 and 1200 use different drive units and a separately sold sensor, so do not order R35493 for those.\u003c\/p\u003e\n\n\u003ch3\u003eWhich NanoMat part do I need?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom\u003c\/th\u003e\n\u003cth\u003eLikely part\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFleece never advances, or advances constantly\u003c\/th\u003e\n\u003ctd\u003eDrive unit \u0026amp; sensor — R35493 (this listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoll has run out\u003c\/th\u003e\n\u003ctd\u003eNanoMat fleece roll, 2 pack — R35443\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShafts damaged or roll will not seat\u003c\/th\u003e\n\u003ctd\u003eTake-up and dispensing shafts — R35496\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChamber cracked or crazed\u003c\/th\u003e\n\u003ctd\u003eNanoMat filter chamber — R35495\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody damaged\u003c\/th\u003e\n\u003ctd\u003eNanoMat body — R35494\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInlet tray damaged\u003c\/th\u003e\n\u003ctd\u003eNanoMat inlet tray — R35498\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting into a 4 inch filter sock holder\u003c\/th\u003e\n\u003ctd\u003eFilter sock adapter ring — R35497\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNo power at all\u003c\/th\u003e\n\u003ctd\u003eNanoMat power supply — R35499\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e any Red Sea NanoMat whose fleece advance has stopped, become erratic, or is overflowing the chamber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the ReefMat 250, 500 or 1200, any non-Red Sea roller filter, or a NanoMat whose only fault is an empty fleece roll.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Red Sea NanoMat drive unit and sensor assembly, part R35493\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e fleece roll, take-up and dispensing shafts, filter chamber, body, inlet tray, power supply and adapter ring. Each of those is a separate Red Sea part number, listed in the table above.\u003c\/p\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eKeep the sensor face free of salt creep and biofilm. A film across the sensor is the most common reason a NanoMat starts advancing when it should not, and it usually cleans off with a soft cloth and fresh water.\u003c\/p\u003e\n\u003cp\u003eUnplug the power supply before removing the drive unit, and let the assembly dry before refitting.\u003c\/p\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-nanomat\"\u003eRed Sea NanoMat\u003c\/a\u003e — the complete unit, if yours is beyond a single part.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-nanomat-fleece-roll-2-in-pack\"\u003eRed Sea NanoMat Fleece Roll, 2 pack\u003c\/a\u003e — the consumable this drive unit winds.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-nano-reefmat-fleece-roll-2\"\u003eRed Sea Nano ReefMat Fleece Roll, 2 pack\u003c\/a\u003e — alternative roll listing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-max-nano-thin-mesh-filter-225-micron-2\"\u003eRed Sea MAX Nano Thin Mesh Filter 225 Micron\u003c\/a\u003e — for MAX Nano owners not running a roller.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-max-nano-cube-g2-excl-cabinet\"\u003eRed Sea MAX Nano Cube G2\u003c\/a\u003e — the system the NanoMat was designed around.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-marine-care-multi-test-kit\"\u003eRed Sea Marine Care Multi Test Kit\u003c\/a\u003e — check nutrients after a spell of poor mechanical filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eThe drive unit runs on 12 V DC from the NanoMat's own power supply. Use only the Red Sea power supply supplied with the unit, and mount the supply above the water line with a drip loop in the cable.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eAny manufacturer warranty Red Sea offers on this part applies in addition to your rights under the Australian Consumer Law, which are not limited or excluded by it.\u003c\/p\u003e\n\u003cp\u003eShips as a standard small parcel. No oversize or dangerous goods handling applies.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the Red Sea part number for the NanoMat drive unit and sensor?\u003c\/h4\u003e\n\u003cp\u003eThe Red Sea part number is R35493, listed in the NanoMat manual as the drive unit and sensor. The two components are supplied together as one assembly.\u003c\/p\u003e\n\u003ch4\u003eMy NanoMat keeps advancing the fleece even when the tank is clean. Is this the part?\u003c\/h4\u003e\n\u003cp\u003eUsually not straight away. Clean the sensor face first, because salt creep or biofilm across the sensor will read as a high water level. If the fleece still advances on a clean sensor, R35493 is the assembly to replace.\u003c\/p\u003e\n\u003ch4\u003eWill this fit a Red Sea ReefMat 250, 500 or 1200?\u003c\/h4\u003e\n\u003cp\u003eNo. The ReefMat models use different drive units, and their sensor is a separate part. R35493 is listed for the NanoMat only.\u003c\/p\u003e\n\u003ch4\u003eDo I need to shut the tank down to fit it?\u003c\/h4\u003e\n\u003cp\u003eOnly the NanoMat. Unplug its power supply, lift the drive unit out, fit the replacement and plug back in. The display tank keeps running, though the chamber will pass unfiltered water while the unit is out.\u003c\/p\u003e","brand":"RedSea","offers":[{"title":"Default Title","offer_id":55242230661411,"sku":"BA8839","price":105.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/nanomat-drive-unit-sensor-43876723392803.webp?v=1790239539","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/nanomat-drive-unit-sensor","provider":"Nicks AOT","version":"1.0","type":"link"}