Is the SPX-ACS-MAX accessory compatible with my SPX Series Pressure Washer? The SPX-ACS-MAX Auto Cleaning System comes with universal adapters that fit most pressure washer brands up to 3500 PSI. No need for additional adapters to use the SPX-ACS-MAX accessory with your Pressure Washer. Related articles What attachments are included and how do I use them? Why is my SPX-FC34 not dispensing detergent? Can I use an aftermarket spray nozzle with the quick connect wand? Sun Joe High-Pressure Washer Hose Compatibility Guide Battery and Unit Compatibility Guide