GE General Electric Hotpoint Sears Kenmore Refrigerator Defrost Drain Heat Probe WR2X9393 If water in the condensate Drain Trap (or trough) freezes, a heat probe (WR2X9393) can be inserted into the J-shaped drain trap. The probe will transfer ambient heat to the drain pan and prevent refreezing. We are a re-seller for General Electric Hotpoint. Call us today for all of your General Electric Hotpoint appliance parts and accessories needs.