These twin stainless steel water-bath warmers from Server Products feature individual thermostats and power switches for each well. Adjustable thermostats, sense food temperature and turn each 500 watt heating element on or off as needed eliminating burning or scorching. This 120V model includes (2) stainless steel pumps. The stainless steel pumps dispense directly from a #10 can or your 3 quart stainless steel jar 94009. A 1 ounce serving is the maximum portion which can be reduced in 1/8 ounce increments, using the supplied gauging collars.