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Old 10-16-2015, 01:57 PM   #1
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Silicon grease on dump hose connections?

Silicon grease is something I'd never heard of. Recently read in an RV magazine that it could be used on dump hose connections. Though I'd give it a try. Picked up some at Lowe's in the plumbing section. Very small container (which is good for RV storage) and fairly pricey. Tried it on one of the connections. Seemed to really be a good idea. Being way too overly cautious at times I got to wondering if anyone knows if there is a downside to using the product, or did I stumble upon a good solution for overly tight connections?
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Old 10-16-2015, 02:03 PM   #2
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Great for lubing up valves and connectors. Do not use it as a personal lube.
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Old 10-16-2015, 02:52 PM   #3
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Great for lubing up valves and connectors. Do not use it as a personal lube.
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Old 10-16-2015, 03:00 PM   #4
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http://www.amazon.com/gp/product/B00...=sr_1_1&sr=8-1
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Old 10-16-2015, 03:03 PM   #5
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Use it (or any other lubricant) sparingly.

Any lubricant does two things

1) It makes things slide easier

2) It collects dust and dirt, which screws up item 1

I use a product called Triflow - Its a teflon based lubricant, It doesn't have the negative properties of Silicon.
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Old 10-16-2015, 04:26 PM   #6
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I use it on rubber seals and electrical connections all the time. You can buy it in larger tubes for less money at almost any electrical supply house. Chuck
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Old 10-16-2015, 04:33 PM   #7
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Originally Posted by biosensai View Post
Silicon grease is something I'd never heard of. Recently read in an RV magazine that it could be used on dump hose connections. Though I'd give it a try. Picked up some at Lowe's in the plumbing section. Very small container (which is good for RV storage) and fairly pricey. Tried it on one of the connections. Seemed to really be a good idea. Being way too overly cautious at times I got to wondering if anyone knows if there is a downside to using the product, or did I stumble upon a good solution for overly tight connections?
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IMO "plumbers grease" is a better choice.
Oatey 1 oz. Plumber's Grease-30620 - The Home Depot
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Old 10-17-2015, 12:52 AM   #8
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Smile hose lube connections

I have used plumbers grease for years as that is what is is made for. Lubricates. resists water and helps seal while draining tanks, keeps seals from going bad and will not wash off with normal use. Also very cheap and comes in a container the size of a pudding cup.
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Old 10-17-2015, 07:56 AM   #9
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Plumbers grease comes in 2 varieties. A petroleum based and a silicon based. The Oatey noted above is petroleum based.

The petroleum based should NEVER be used on anything containing a rubber gasket as it will cause the rubber to swell. Silicon based is for rubber.

From Oatey specs:
"A special combination of lithium soaps, solvent refined base stocks and additives. Formulated for many plumbing applications. Makes hard turning faucets work smoothly.
Lubricates stems of faucets, valves, ballcocks etc.
Not for use on rubber or synthetic O-rings
Waterproof
Will not melt like ordinary grease"
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Old 10-17-2015, 08:24 AM   #10
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Quote:
Originally Posted by joshuajim View Post
Plumbers grease comes in 2 varieties. A petroleum based and a silicon based. The Oatey noted above is petroleum based.

The petroleum based should NEVER be used on anything containing a rubber gasket as it will cause the rubber to swell. Silicon based is for rubber.

From Oatey specs:
"A special combination of lithium soaps, solvent refined base stocks and additives. Formulated for many plumbing applications. Makes hard turning faucets work smoothly.
Lubricates stems of faucets, valves, ballcocks etc.
Not for use on rubber or synthetic O-rings
Waterproof
Will not melt like ordinary grease"
I didn't know that! Thanks for the heads up!

I use the Plumber Grease on my sewer hose connectors all the time. In addition I use Triflow for the swivel joint in the sewer connector swivel connections.
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Old 10-17-2015, 09:31 AM   #11
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I use WD-40 Specialist's Water Resistant Silicone Lubricant spray. It dries quickly and doesn't collect dirt.
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