Universal compatibility|Programmable feed delay settings (30 sec to 10 Min)|Programmable feed amount settings (LWCO and 1 - 5 gal)|Manual feed button|Underfeed protection|Lock-out flood protection, electronic type|Upon a feed signal from low water cut off, VXT feeder delays to allow condensate to return to boiler|If make up water is required after the delay period the VXT will initiate a feed cycle|Digital feed counter tracks all water fed into the boiler including water added using the manual feed button