This is a part that is easily changed and inexpensive to purchase.
The Nordson Part number is 1028321 and Keystone's part number is KNS0108.
|Melter needs to be warm. Remove top back cover|
|Remove Side Panel on hose manifold side.|
|Remove the 2 mounting screws|
|Pull the wires free from the thermostat|
|On new thermostat, plug in the wires, install with the 2 mounting screws and place both covers on the melter.|
If you have further questions, please let me know.