Elite SL3000 Now Elite SL3000501UL (replaces the SL3000501U)
Updated unit complies with new UL325 code revised Aug 2018
System now requires monitored secondary entrapment devices
unit will include LMRRU safety photo eye and 5 ft safety edge for rear of gate
We have 4 of them and they are bullet proof except for the limit rollers have had to change a few of them over the last five years.