| PC91-N25B-0100 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 8... | Watlow | | |
| PC91-N30C-1100 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 1... | Watlow | | |
| PC91-F20A-0100 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 9... | Watlow | | |
| PC91-N25A-0100 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 8... | Watlow | | |
| PC31-F35B-0000 Watlow Power Series controller, 3-phase/3-leg control, (6 SCRs), with heater dia... | Watlow | | |
| PC91-N20A-0000 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 6... | Watlow | | |
| PC91-F20B-1100 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 9... | Watlow | | |
| PC91-N25B-0000 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 8... | Watlow | | |
| PC91-F25B-1100 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 1... | Watlow | | |
| PC91-N20B-1100 Watlow Power Series controller, 3 single-phase zones, with heater diagnostics, 6... | Watlow | | |