The Phoenix Speed is a direct replacement for all 4" round cutout mounting holes.

The unit can use existing speed sensors or the replacement SST-109 will provide

temperature as well as speed and fit into most existing thru hull fittings.

The PHS comes with mounting ring and cover. Speed/temp sensor is extra.

PHS Dimensions:

Mounting hole: 4"

Front Bezel: 5"

Housing depth: 2.5"

For complete installation use:

SST-109N

SST-109B

AST-2N

AST-2B