Home / Repair Parts / Grundfos Parts / Grundfos Part #415523, Stack Kit for CRT4-20/1 Free Shipping Grundfos Part #415523, Stack Kit for CRT4-20/1$1,721.01 Grundfos Part #415523, Stack Kit for CRT4-20/1 quantity Add to cart SKU: 415523 Category: Grundfos Parts Description Additional information Description Stack Kit Part #: 415523 Associated Models CRT4-20/1 Additional information Weight 3 lbs