05-18-2010, 01:31 PM #1
Bilge Pump - Rule 750 or 500 or 750A or 500A??? WTF?
I was looking at the bilge pumps and see there is a 750gph model...why don't people get this? Is it overkill?
Also, there is a RM500 and RM500A ...also a RM750 and RM750A
The ones with the A are new...for the life of me, I can't figure out the difference...any idea?
THere is also the PWC500 ....is this the one which comes on every 20sec? It says it's not automatic....hmm
05-18-2010, 01:52 PM #2
I am running a 1100gph bilge pump. I haven't needed it, yet!
05-18-2010, 01:58 PM #3
What about these 500A and 750A models? What's up with the 'A' ?
05-18-2010, 02:10 PM #4
The "A" means automatic. It either has a float, a water sensor, and/or comes on every 20-30 seconds.
Usually a automatic pump is about twice the money as a manual one.
05-18-2010, 02:51 PM #5
Ahhh...that makes sense, but the RM500 (the one everyone seems to get here Rule-Mate 500) doesn't have an A and it's automatic...hmm
05-18-2010, 02:59 PM #6
Rule introduces the rule-mate™ series of bilge pumps. The rule-mate consists of a powerful rule bilge pump and a new non-mecury float switch in a single housing. While fully automated, the pump will only turn on when the water level rises. There is no cycling and battery drain. The pump remains off until the internal float switch rises. The pump then stays on until the water is evacuated. The pump's internal computer senses no load (Water) against the impeller and then shuts off. A detachable strainer provides easy access to the impeller area for removal of debris. Each pump is easily installed with the pump and switch internally wired. A third wire allows the pump to be connected to a manual override switch if so desired. RM500A (NEW)
you can get them on e-bay for 46.99 with free shipping
05-18-2010, 02:59 PM #7
Dual 500's with float switch here. Three way switches in the glove box. Hope I dont have to use them.
05-18-2010, 09:53 PM #8
lol...thanks all, but Maria Noble from Rule Industries responded to my inquiry...rather quickly I might add.
"Thank you for your email. The RM500A is the newer version of the Rulemate series. It has more features than the RM500 and you should look for the RM500A. We do not sell direct but you can contact our distributor in Canada Brewers Marine. You can reach them at 905-529-4114. They should be able to help you.
So, that should help others as well...turns out the 'A' models are newer and offer more features than the regular RM500 or RM750's ...
05-18-2010, 11:48 PM #9
Just installed the 750A this past weekend - not a full install just glued the base and ran the wires to test and have to say it's pretty amazing. Have no idea how the "senses water" part works but it does...no float and it does not cycle every 20 seconds.
05-19-2010, 07:19 AM #10
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