SmartHeater integrates a micro-chip able to measure the water temperature and to warn the hobbyist in the event of an abnormal temperature.



The patented interactive Flashing LED alert system flashes rapidly if and when the water temperature becomes 5ºF above or below your setting. UL approved unbreakable plastic. Fits the in-take tube of Rena® SmartFilters and Rena® XP Canister filters. Wide, accurate temperature range of 69 º to 93ºF. Tubular Design.

300 watt
up to 90 US Gallons
3.88” x 2.13” x 17.63”