Bilge pump automatic timing

OverTime

OverTime

PNW South Sound
Joined
Oct 25, 2025
Messages
124
Fluid Motion Model
R-29 CB
Vessel Name
OverTime
On my 2025 R29 CB, the mid and aft bilge pumps kick on briefly at a set interval whether they need to or not. I'm guessing this is an adjustable setting. Does anyone know how to access this setting? Thanks.
 
That is how they function. It is the way they detect if water is present.
That noise drove me crazy on our boat, so I installed float switches next to each pump and did away with that feature.
 
The pumps auto cycle every 2.5 minutes or so. If they sense any load(water) they stay on otherwise they turn off. There is no adjustment.
You get used to the sound and it’s reassuring to hear it. It’s when you don’t hear it there is a concern.
 
also, important to note they continue to exercise when you haul the boat for the winter -- so its important to pull all 24/7 fuses if you don't disconnect the batteries..
 
On the R-31... can someone show me where the "24/7 fuses" are? I pull the bilge pump fuses, but that does NOT shut the power to the pumps which doesn't make sense but oh well...
Thank you in advance...
 
AGLyme said:
On the R-31... can someone show me where the "24/7 fuses" are? I pull the bilge pump fuses, but that does NOT shut the power to the pumps which doesn't make sense but oh well...
Thank you in advance...
Click to expand...
We no longer have our r31 but I think they are in the compartment under the cockpit sink by the battery disconnects.
 
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