Here you'll find links to the product information videos and manuals for the Vectra Series return pumps.
Vectra M1 Product Information:
http://ecotechmarine.com/products/vectra/vectra-m1
Vectra L1 Product Information:
http://ecotechmarine.com/products/vectra/vectra-l1
Vectra Calibration:
Vectra Disassembly:
Vectra Driver Overview:
Vectra M1 Product Information:
http://ecotechmarine.com/products/vectra/vectra-m1
Vectra L1 Product Information:
http://ecotechmarine.com/products/vectra/vectra-l1
Vectra Calibration:
Vectra Disassembly:
Vectra Driver Overview: