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Joined: Nov 2010
Posts: 67
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Joined: Nov 2010
Posts: 67 |
Just curious if a Home Depot rental 5ish HP trash pump will spray Alum far enough to apply it? I should be able to reach most of my pond from shore/the pier. I was thinking if I get an adapter to go from it's connection to a hose that would work. Is that crazy?
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Joined: Jan 2009
Posts: 29,788 Likes: 1295
Moderator Ambassador Field Correspondent  Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 29,788 Likes: 1295 |
It will work, but if there is an insurance policy for the pump I'd get it. Alum wears out pumps quickly.
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Joined: May 2013
Posts: 2,994 Likes: 181
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Joined: May 2013
Posts: 2,994 Likes: 181 |
TSK, RENTAL is the key in that post. If it is a short term rental and it gets back quickly it may work... Not sure about the next guy who rents it 
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Joined: Jun 2007
Posts: 7,103 Likes: 24
Ambassador Field Correspondent Hall of Fame Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
Joined: Jun 2007
Posts: 7,103 Likes: 24 |
TSK, a 6HP, 2" trash pump on sale at a Harbor Freight is only about $169. Get the 2 year "no questions asked" replacement warranty for another $20 and you may find lots more uses for the pump. They DO come in handy!
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Joined: Jun 2008
Posts: 6,981 Likes: 18
Ambassador Lunker
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Ambassador Lunker
Joined: Jun 2008
Posts: 6,981 Likes: 18 |
What part(s) wear out on the pumps? Is there a common failure area?
"Forget pounds and ounces, I'm figuring displacement!"
If we accept that: MBG(+)FGSF(=)HBG(F1)
And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1)
Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT?
PB answer: It depends.
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Joined: Jun 2007
Posts: 7,103 Likes: 24
Ambassador Field Correspondent Hall of Fame Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
Joined: Jun 2007
Posts: 7,103 Likes: 24 |
Sparky, the Impellor seal goes pretty fast...teflon, ceramic or lubricating metal. The volute also pits quickly and becomes brittle, form my experiences.
The alum is pretty acidic and fairly abrasive, then the caustic and highly abrasive nature of the Hydrated lime wear them quickly.
I'm sure the aluminum Volutes and Impeller becoming brittle could be due to using cheaper, impure metals and porosity for the castings, and the seals need very close clearance tolerances for a long useful life...things you won't be assured of in a "cheap" pump, but it all comes down to what each individual considers cost effective for themselves.
Last edited by Rainman; 08/23/15 09:47 AM.
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Joined: Nov 2010
Posts: 67
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Joined: Nov 2010
Posts: 67 |
I ended up deciding that it wasn't going to be cost effective to try to rent (4 hours at $40, 1 day at $80). I figured there's no way I'd get it done in 4 hours and then you're close enough to a unit you own. That excludes the ethical factor of if you should or shouldn't beat on a rental.
I ended up getting a Champion unit with host kit for $240 plus a 4 year warrant. I wish I had known about the harbor freight cheapy but it's not a huge deal. I figured like you mention, I'll find lots of uses for it.
It did work out for the Alum application. Whether or not the alum application worked is another issue.
At the end I noticed that it took a long time to run that thing clean. I don't know if that's part of the problem with the things going bad or not.
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