TEMPERATURE ALARM Temperature alarm for freezers and refrigerators. It has a blinking light and a buzzer to warn you and it can also activate a remote alarm or phone dialer.
0-50 degrees range 6' sensor and 115 V power cord High impact plastic housing
THR-01029 Temperature alarm $85.32
ELECTRONIC WATER LEVEL CONTROL Works on 120 or 240 volts. Can control water level in dishwashers and steam tables and disable electric heating elements when level is too low. Requires two sensing probes and electric water valve .
ELC-32000 Water level control $119.05 ELC-32004 Water level probe $ 9.60