Spa Side Control, from Pres-Air-Trol. Also available with a LCD Temperature readout, (has 2 temperature sensors). Used in many spas with different nameplates. Ready, Heat, Jets, and Blower indicators. 6 foot length, 6 Pin standard J&J connector. 40 inch thermostat sensor length. 115 Volt rating. Works perfectly with most spa control packs.
This is the technician's preferred replacement for most older system control panels that use a copper tube type capillary thermostat.