I will make that video for you. Meanwhile, the 56A is similar. The 42 series can also adjust the pressure switch setting whereas the 56A can only adjust the bypass. But the bypass adjustment is the same on both pumps. ua-cam.com/video/RO-Fc5_53n4/v-deo.html
You really never showed how to tune it, classic
I will make that video for you. Meanwhile, the 56A is similar. The 42 series can also adjust the pressure switch setting whereas the 56A can only adjust the bypass. But the bypass adjustment is the same on both pumps. ua-cam.com/video/RO-Fc5_53n4/v-deo.html