Optimax water pressure sender

[jcr1]

"Does anyone know the alarm so

"Does anyone know the alarm sound for a low water psi condition . I noticed the pressure sender , but was wondering on the alarm sound. Is it a long continuous or intermittent and how would you distinquish the horn sound from overheat etc? thanks"

 

[galamb]

"Here's the chart from Mer

"Here's the chart from Merc..

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[jcr1]

"Thanks Graham , that's ve

"Thanks Graham , that's very helpful. Just does not state anything about water pressure low indication anywhere, although there is a sensor for it on the engine. Maybe this pressure sensor relates to only jet drive applications. ? curious. appreciate your help and expertise. JCR"