Combination pump includes the
PHCC 1730 backup pump with
controller, battery box, battery fill
bottle and the ST1033 with the
DFC1 Dual Switch
This system is great for existing ADS sump liners. These units DO NOT fit in a GrateSump Liner. Grate Products recommends that you install a dual GrateSump liner and install the primary pump in the first liner and the battery back up pump in the second liner.