Micro-Switch Z-15 GQ21-B, part 0314007, for compatible Firbimatic and commercial dry cleaning machine door, safety, or control circuits. The Firbimatic parts list identifies this as Micro-Switch Z-15 GQ21-B, old number E1712. Use this replacement microswitch when servicing equipment that requires the same switch body, actuator style, and terminal arrangement. Verify part number 0314007, old number E1712, switch rating, actuator style, terminal layout, mounting style, and machine fitment before ordering.