Johnny Vac Central Vacuum Circuit Board for Lux 1590, E130, Hayden 2400

This low-voltage control board is what actually decides when a Johnny Vac central vacuum power unit turns on and off. It reads the signal from an open wall inlet, a plug-in hose handle, or a wireless remote receiver, then switches power to the motor. When a system will not start, cuts out mid-clean, or ignores the hose handle switch entirely, the board is one of the first parts worth checking, ahead of the motor itself.

Retailer listings for this board, sold as SWC33, tie it to the Johnny Vac PowerLux, CondoLux, and SuperLux power units along with the CentraLux 1590 and E130 built by Aerus and the Hayden 2400, with one stated exception: the E130J uses different electronics and is not covered. These units share a common low-voltage switching architecture, which is why one 15 amp board serves the whole group, and the same listings note it suits many other single motor units without LED displays.

• Fits: Johnny Vac PowerLux, CondoLux, SuperLux; CentraLux (Aerus) 1590 and E130, except E130J; Hayden 2400
• Function: Low-voltage sensing and motor on/off switching
• Symptoms it addresses: No start, intermittent start, unresponsive hose handle
• Mounting: Standoff pattern and wiring layout can differ slightly by model; confirm the board seats on your existing mounting posts before final assembly

Before assuming the board is at fault, confirm the power unit is actually getting line voltage and that the low-voltage transformer feeding the control circuit is intact. A board swap will not fix a system that has no control power reaching it in the first place. Once power to the board itself is confirmed, a no-start or intermittent-start pattern points squarely at the board.

Central vacuum control boards fail quietly, most often from age-related solder joint fatigue or a surge event rather than any single dramatic breakdown, so a unit that has worked fine for a decade and then stops responding overnight is a textbook board failure rather than a motor problem. Listed under SKU SWC33.