Airmar 75WR-4 Transducer Housing Wrench [75WR-4] Marine Navigation & Instruments | AIS Systems Threaded discharge ports with mulitiple

Threaded discharge ports with mulitiple fittings available

Swing out design allows replacement of the fuse without removing fasteners

Owner's Manual (pdf)

Impeller Kit - 9 Blade - Nitrile - 3-3/4" Diameter x 2-1/2" W

Can be run dry without damaging the pump

Airmar 75WR-4 Transducer Housing Wrench [75WR-4] Marine Navigation & Instruments | AIS Systems Threaded discharge ports with mulitiple75WR 4 Transducer Housing Wrench A single handed wrench that holds the main thru hull housing via the 'wrench flats' on the side of the housing to facilitate tightening of the hull nut. Use wrench 75WR 2 or 75WR 3 for the hull nut. For use with: B75 SS75 Specifications: Type: Tools Box Dimensions: 1"H x 5"W x 10"L WT: 0. 6 lbs