- Apr 13, 2009
When caravaning off grid, should it be necessary to adjust the pressure switch if the battery voltage drops?
Gafferbill said:If you are using a Whale Watermaster submersible pump this may be of interest..............
Click here and watch the video.
BaileyNiggles said:You need recalibrate it, even though one of its principal features is the need to not recalibrate?