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Old 06 September 2008, 22:08   #1
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piece of crap bilge pump. a rule i think

it is a rule-mate500 with a float switch, 500gph and is hooked up so it is supposed to come on automatically but i am not sure if it is with the key on or off. it should be both right? like for when u r driving or for when u leave the boat sitting. does anyone know how i can wire a new pump so that i can use it when i am driving the boat but set it to come on automatically over night when the key is off? and what is the story on the electrical switches instead of using the float switch? cuz my pump does not seem to work half of the frigging time. when i put one of these switches in do i need to buy a new bilge pump too? thanks for your help
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Old 06 September 2008, 22:38   #2
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The pump should be wired without the keyswitch in the circuit. Preferably directly to the battery.

You want the auto part to work whenever there's enough water in the bilge to trigger it, whether you're on-board or not, running or not.

The manual switch can be wired either way, but normally it bypasses keyswitch as well.

You do want to make sure you have an inline fuse on the power feed, though.

jky
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Old 07 September 2008, 07:45   #3
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You need to use an on/off/auto changeover switch with two switched feeds to the pump, one via the float switch.
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Old 07 September 2008, 17:21   #4
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I just fitted one of the auto Rule pumps. You can have a manual override but I just wired in into a switch that I leave on all the time. There is no float switch but they start every 2.5 mins and if water is sensed they keep running until the boat is empty then switch off. If no water is present they only run a second or two.
The sensing is based on water resistance so no moving parts.
I just switch it on and leave it on and it seems to work quite well on a RIB bouncing around.
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Old 07 September 2008, 17:36   #5
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rule = crap....
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Old 07 September 2008, 17:39   #6
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I've just fitted one of these too. It has 2 feed wires, brown and red. Cant remember which way round but the automatic feed goes to a permanent live (fused) and the other should go to a switch. Then it will pump automatically when it senses water or you can pump manually using the switch.

This type is much more reliable imo, float switches always seem to be the bit that gives up the ghost.
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Old 07 September 2008, 20:51   #7
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I know people keep saying the Rule auto/electronic is crap - my 1st one packed up after a few weeks but the 2nd one has been running for about 2 years and it works overtime. Without the pump my boat will take on about 1000L or a ton of water in just 1 day!!!

This August alone it rained every single day.

I bet the thing will pack up after this.............
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Old 08 September 2008, 11:51   #8
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Quote:
Originally Posted by codprawn View Post
the 2nd one has been running for about 2 years and it works overtime. [snip]
I bet the thing will pack up after this.............
Of course it will.

When diving, never use those words when talking to another diver ("I've never lost a mask", "I've never had a regulator problem", "I've never had a problem finding the boat", "I've never had a drysuit leak", etc.)

It pretty much guarantees that exactly that will happen on the next dive. And usually, the one after that, as well.

jky
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Old 08 September 2008, 17:17   #9
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Quote:
Originally Posted by codprawn View Post
I know people keep saying the Rule auto/electronic is crap - my 1st one packed up after a few weeks but the 2nd one has been running for about 2 years and it works overtime. Without the pump my boat will take on about 1000L or a ton of water in just 1 day!!!

This August alone it rained every single day.

I bet the thing will pack up after this.............
Is that not around 4 inches of rain a day? Would the country not be underwater if we regularly got 4 inches of water every 24 hours?
I think the record rainfall for the UK is in the region of 6-10 inches in a month!
Methinks you jest sir!
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Old 10 September 2008, 14:52   #10
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Quote:
Originally Posted by BruceB View Post
I just fitted one of the auto Rule pumps. You can have a manual override but I just wired in into a switch that I leave on all the time. There is no float switch but they start every 2.5 mins and if water is sensed they keep running until the boat is empty then switch off. If no water is present they only run a second or two.
The sensing is based on water resistance so no moving parts.
I just switch it on and leave it on and it seems to work quite well on a RIB bouncing around.
I think I had one of these a couple of boats ago and THB it killed my batteries, so I had to piggy up a second battery if I was away from the boat for a couple of weeks or so as it was berthed at the time.

I came to the conclusion that a pump emptying out 4 gallons or so when it came on, and the water collected was better than one that came on every few minutes when there wasnt even any water there.

It was one of those infuriating boats that I couldnt keep the water out of the underdeck no matter how hard I tried , and I didnt want the cabling getting wet so I installed another auto bilge inside the underdeck. After a trip out, bouncing about, the casing of which came apart unbeknowns to me, water got in, operated the float switch, but as the lower case forms part of the pump journal, it spun away doing nothing flattened both batteries and the boat got flooded, good and proper Grr.
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