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Pumps, Wells, Tanks, Controls / Re: 20 gallon pressure tank with 1hp pump
« Last post by Cary Austin on February 01, 2018, 03:56:45 PM »
Even when a 42 gallon tank has the correct amount of air in the top, it still only holds about 10 gallons of usable water.  The less air in the tank the less water it holds and the more the pump cycles.  The 20 gallon tank only holds half as much and cycles for every 5 gallons used.  There is really no problem with a diaphragm style tank out in the open, as long as it doesn't freeze.  The old galvanized tanks usually have a bleed back system that lets the pipe to the well drain back every time the pump shuts off.  This keeps the line from freezing, and puts a little shot of air in the tank each time the pump starts. 

If there is a "bleeder" or drain back valve down 5' or so in the well, it will need to be removed and plugged before switching to a diaphragm style tank.  The line will no longer drain back, so it could freeze, and it will not send a shot of air to the tank each time the pump starts.  With a diaphragm style tank the air is captive above the diaphragm.  So you do not want a shot of air from an air maker type system, or it will just blow a glass out of your hand at the faucet.  Removing or finding out if you even have a bleeder in the well is usually the hardest part about switching from a galvanized tank to a diaphragm style tank.

Now once you have done away with the bleeder system, switching to a diaphragm style tank with a CSV is easy.  With floats in water tanks like that I would use one of the PK1A kits with the 10 gallon size tank.  Float systems are notorious for using water for long periods of time at really low flow rates.  This is exactly what a CSV does, keeping the pump from cycling while using low flow rates.  But if it is using less than 1 GPM, the 10 gallon tank is preferred over the 4.5 gallon, as it will lengthen the cycles considerably.
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Pumps, Wells, Tanks, Controls / 20 gallon pressure tank with 1hp pump
« Last post by vineyridge on February 01, 2018, 02:57:23 PM »
We replaced a 42 gallon galvanized pressure tank with a 20 gallon galvanized tank this summer.  Today we had to replace the pump and pump motor.  The well service person told me that because the pressure tank was so small, the pump was constantly cycling on and off and that I would be lucky to get 3 months use with this size tank.  The well's only use is to fill a 100 gallon stock tank with a float valve--sometimes two or three 100 gallon stock tanks, but right now only one.

I have to go with a galvanized tank because the system sits out in the open, and I understand that bladder tanks don't do well outside.

Is there anything that I can have installed that will avoid the need to buy a larger pressure tank.  They are NOT cheap.
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Pumps, Wells, Tanks, Controls / Re: CSV Stopped Working
« Last post by Cary Austin on January 23, 2018, 09:39:30 AM »
Yes because the CSV1A can handle more stuff in the water and cannot leak on the floor.   The CSV125 is a good valve if the water is fairly clean, but it still needs to be installed where if it does develop a leak it won't get anything wet.
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Pumps, Wells, Tanks, Controls / Re: CSV Stopped Working
« Last post by gaffcat on January 22, 2018, 12:55:15 PM »
Thank you for the info. A while ago I bought from you a CSV1A valve but haven't installed it. The CSV12560-1 was installed in my pump room and I was annoyed by the occasional dripping. The new valve will require some re arrangement of plumbing so I have put off doing it, perhaps now is the time.
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Pumps, Wells, Tanks, Controls / Re: CSV Stopped Working
« Last post by Cary Austin on January 22, 2018, 07:26:32 AM »
We increased the vent size in the side of those valves.  The old smaller air vent would clog up and stop the valve from working.  Give us a call.  We will gladly replace that valve for you.  In the meantime you can drill a 1/4" hold just below the red collar on the long side of the valve.  Just drill through the first layer of plastic about 1/16" thick.  When you see the spring you have gone far enough. Do not drill through and past the spring or the valve will leak.  But this new vent hole will most likely get you back to working.  Either way we will replace the valve for you.
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Pumps, Wells, Tanks, Controls / CSV Stopped Working
« Last post by gaffcat on January 21, 2018, 06:04:43 PM »
I have a model CSV12560-1, an above ground jet pump, a 40/60 pressure switch and a small diaphragm pressure tank. The system has worked great for 5+ years. A couple times recently the water system shut down, no water. I went out to the pump room and tried the simplest thing: turning the little lever on the pressure switch and the pump started and every thing was fine. This happened a few times. I figured I needed a new pressure switch and installed one. The new switch is exactly the same as the old one but now the system operates like there is no CSV. The pump cycles between 40 and 60 over and over as I can see it on a gauge.
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Pumps, Wells, Tanks, Controls / Re: Cycle Sensor question
« Last post by Cary Austin on January 19, 2018, 08:55:21 AM »
Yes.  it is still picking up a little stray voltage off the line.  That number will change a little some times but it perfectly normal.
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Pumps, Wells, Tanks, Controls / Cycle Sensor question
« Last post by henjj on January 18, 2018, 06:23:48 PM »
I just installed a cycle stop valve along with a cycle sensor.  I think I got everything installed right.  My questions is this:  is it normal for the cycle sensor to show .05 after the pressure tank is full and the pressure switch turns the pump off?
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Valve Tech / Re: Positoning the CSV
« Last post by Cary Austin on January 18, 2018, 07:51:41 AM »
It is a poly tube to pipe thread connector.  But I don't know what size.  The pipe size is easy to figure out but the tube size could be a couple of different ones.
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Valve Tech / Re: Positoning the CSV
« Last post by whirly on January 17, 2018, 07:18:54 PM »
What is this fitting the pressure pressure hose to the switch called?

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