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  2005 Montauk 170: OEM Sump Pump, Switch

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Author Topic:   2005 Montauk 170: OEM Sump Pump, Switch
swist posted 09-17-2014 03:46 PM ET (US)   Profile for swist  
My 2005 Montauk 170 bilge pump has been erratic this year. I don't know if it's the pump or float switch but both are pretty grungy after 10-years and a lot of use, so I'm going to replace both in the off season.

As the boat is away from me in the shop for end-of-season maintenance, can someone tell me the original pump and float switch make and model numbers so I can scope this out?

Thanks

wezie posted 09-17-2014 11:05 PM ET (US)     Profile for wezie  Send Email to wezie     
Rule 1100 with separate float switch.

Which ever you choose, the boat is plumbed for 1 1/8 hose, and seal all holes and screws properly.

Ridge Runner posted 09-19-2014 08:34 AM ET (US)     Profile for Ridge Runner  Send Email to Ridge Runner     
The switch in my 2005 170 went this year also. I replaced it with a Seaflo Marine Bilge Pump Float Switch from Amazon for $17.
swist posted 09-21-2014 02:14 PM ET (US)     Profile for swist    
The 1100 has served me well. Boat is on a salt water mooring all Summer with the plug in. Also as I remember, I can use the existing mounted strainer from the old pump and not have to deal with mounting a new one and attendant sealing issues.

Or is that a bad idea?

Will probably use the the same switch for the same reason, although in the case of the switch, there isn't a piece that remains in the boat when the switch is removed, so I'll have to reseal, but at least same screw holes.

Jim

swist posted 09-22-2014 09:33 AM ET (US)     Profile for swist    
And speaking of remounting a new switch, what sealant is preferred for this mostly under saltwater application.

I know silicone is not recommended for such jobs.

5200? 4200? Something else?

endus posted 09-24-2014 02:20 PM ET (US)     Profile for endus  Send Email to endus     
Our bilge pump wasn't working at all when we bought the bought earlier this year (04 Montauk). Diagnosing the problem was a nightmare. Even using a tone generator we got some really erratic results on the wiring.

At the end of the day I think the problem was both the switch and corroded wiring in the stern, but we wound up removing the pump and float switch in the process of diagnosing. They were both so grungy and cracked I decided to replace them.

I went and bought what I thought was the identical bilge pump and float switch, but it turns out it was one of Rule's automatic pumps that doesn't need a switch. It rotates every couple of minutes and if it senses the resistance of water it keeps pumping until its gone. If not, it just shuts right off.

If my boat were on a mooring I'd want a more traditional setup, but for my purposes this was simpler and did the job just as well. Need to make sure no gunk gets up in there, but so far it works great.

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