Replacement relay for Skutt kilns and many other brands.
Skutt replacement part number 2139.
This relay is used on Skutt KM model kilns with 6 vent slots on the top of the control box.
For Skutt KM control boxes with 5 vent slots, this relay is not recommended.
Please see the Skutt Clear Relay 1517 instead.
Electrical specifications: 25 amp relay 208 – 240 volt.