Perknis 4108 thermostat fitting

icarusbop

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14 Jan 2013
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Hello:

I have recently bought a boat with a Perkins 4108 inboard engine.
The engine was not warming up very quickly so I decided to investigate the thermostat to find there was none installed!
I have found a replacement stat, but am not sure which way round to fit it (spring side up or down?) as there is not one to copy from.

Can seomeone please advise?

Thanks
 
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