Description Original Aqualisa booster pump (A2) speed controller PCB – Part No. 2720. This part fits all Aqualisa Grey (A2) Low Pressure (Pumped) Processors. There are many possible reasons that you may need this part. Typically, it’s needed when the “Boost Button” doesn’t make a difference to the flow rate, or the pump doesn’t work at all. We prefer using UPS 24hr delivery, but to keep the price low, we have chosen to use a 2-3 day service. If you would like next day delivery, please drop us a line No returns


