Perko 0350006DPP 1" Plain-Bronze Hose Thru-Hull EPASPEC3 Perko states these hose thru-hull

Perko states these hose thru-hull connections are not recommended for use below the waterline under ABYC H-27

Deep and shallow alarms (audible and visual)

designed for motors from 8 to 40 horsepower (with exceptions for Mercury 40

Capacity: 665 lb

IEC60945 : 2002

Perko 0350006DPP 1" Plain-Bronze Hose Thru-Hull EPASPEC3 Perko states these hose thru-hullCast bronze thru hull connection for hose, offered in plain bronze and chrome plated bronze finishes. Manufacturer Features Cast bronze construction Plain or chrome plated finish Machined flange with bedding compound retention groove Neck threaded close to the flange Selected Configuration Manufacturer MPN Configuration Specifications 0350006DPP 1" plain bronze hose thru hull Mounting hole: 1 5 16"; Maximum hull thickness: 1 3 4"; Flange O. D.: 2 1 4"