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Post by vikx on Jun 21, 2013 22:54:11 GMT -8
OK, I've got a compression system in my Land Commander. It is intact and I'm installing a new water line.
Question: There is an inoperable on/off valve at the tank outlet. (to the faucet) It doesn't seem necessary to me? Why would I not connect directly to the tank? The pressure at the faucet will be the same when the system is in use. So why the shut off?
Will be plumbing this soon. Thanks for any input.
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Post by bigbill on Jun 22, 2013 9:23:01 GMT -8
It serves as the master shut off in case of a line failure. without it the leak would continue until it ran out of pressure or water also what if you want to make a reair to the facuet and the system was charged you would shut off the valve make repair then reopen.
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Ten
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70 Shasta 16SC + 1964 Airflyte
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Post by Ten on Jun 22, 2013 13:02:27 GMT -8
Same can be said if the faucet itself were to fail, there would be a way of shutting the water off rather than draining the tank, perhaps without being noticed.
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Post by kto17 on Jun 23, 2013 6:02:11 GMT -8
Does it have a city water connection?
I assume my Shastas both had a back flow preventer or one way valve that prevents the city water from going into the tank. That could be the purpose of that manual valve.
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Post by vikx on Jun 23, 2013 10:00:40 GMT -8
The city water is below the tank. When connected, it pressurizes the tank. (Tank is sealed, building pressure as the tank fills) The valve is at the tank outlet to the faucet. Even if shut off, the water in the faucet line will drain all over if disconnected, as the faucet is above the tank...
I will install a new valve; not a big deal, just can't see that I would ever use it. Luckily, there's a fitting on the tank fill to release the pressure if it pops a leak. I really like these old systems; no power needed. Now to test the seals...
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lopo
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Post by lopo on Jun 23, 2013 10:47:09 GMT -8
FYI, vikx. I was worried that I wouldn't be able to find the big fat gasket, or o-ring, for the pressurized tank on my Frolic, but lo and behold, Home Depot had one in the section of packaged toilet parts. I happened to spot it there; it was for an old-fashioned toilet, but fit perfectly.
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