We put a 8 ft of 3/8 copper for remote 20lb tank and unit doesn't
Get enough gas. It lights and goes out. Tank is full. Is there such a thing as a bad tank, the tank has never been used the tank has been setting for 5 years as it was filled. Please call me at 386 795 2714
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Chances are that it is the thermocouple. Ive seen many on their way to going bad that held the pilot valve open so it kept the pilot lit, but after a couple minutes of burning, the vent gases pull the flame away from the thermocouple just long enough for it to quit. You could replace it , or try to adjust the pilot flame orifice in the direction of the thermocouple so that it has better contact with the thermocouple.
sounds like the regulator is vapor locked. turn everything off, tank, any switches on unit itself, any valves.everything. now disconnect the gas tank. let sit in the sun for a bit, so we cant get you going quicker. start at to tank, reconnect that. now follow the manufactures specs for operation.
yes - your husband is right, there is a auto cut off on the regulator itself. there is a chance that the cut off has failed. you can check this by simply undoing the gas line that leaves the regulator and cracking open the valve and see ( hear/smell ) if gas is coming out,, if gas is coming out then the cut off is working and the problem is down the line somewhere ( like another valve right at the heater ) ---... if you hear no gas coming out then the cut off is bad and you will need to replace the regulator with a new one.
also check for the smell and sound of gas at the heater while you are trying to light it -- ( NOTE: don't hold the gas button down to long if you do hear/smell gas and it is not lighting , because as soon as it does start it will flash in a BIG fire ball,,, between testings -- always let it air out some and then try again ) --- if the igniter is not lighting the fuel then use a lighter or a propane torch to get it going,, I have seen the thermo coupler go bad on the units and that will only allow the flow of gas during ' pilot ' light mode but will go out right away when you move the switch to ' ON '. ( just food for thought ).
stay warm out there ---
Sounds like the thermocouple is not working or you are not keeping the start or pilot button depressed long enough before turning gas valve to on position. Check to see if thermocouple end hasn't come loose, the pilot should be hitting it. This produces the small electrical current necessary to open gas valve. Hope this helps.
You need to check your tanks and make sure that you have enough gas. The heater will need 30% or more in the tanks. If they changed the gas valve I assume that you had a natural gas valve and they replaced with a LP. If your tanks are small then you will only get a couple of days out of them. On this I would need more info. Size of tank size of pool (surface aera) wind conditions, exact model of heater.
First ck to be sure that you have enough gas and be sure to bleed the line before you start once the tanks are full. Let me know how you do. Kieran
I had the same problem and fixed it with a small piece of Aluminum foil, an adjustable wrench, and a #2 screwdriver... If you're "handy", this is an easy 30 minute fix. I included a picture that may help you visualize the "fix" before attempting. In short, I'm not certain what happened or why/how it broke, but if you remove the valve/manifold you can blow air into the gas inlet (with your mouth) and adjust the knob and you will see that only when it's all the way pushed down you can blow air through the valve, otherwise n air/gas can not get through. Thats why the pilot will light, and when you let the knob out the flame goes out. If that is your problem, this fix will work. After I put the foil (explained below) to extend the brass pushrod that allows gas to enter the manifold, it worked as expected allowing air/gas to enter only when on "light" and through the LO to High sweep. Step 1) Shut off gas and remove tank.
Step 2) Remove the black gas On/Off knob (pulls off)
Step 3) Remove the three on thumb screws inside the tank storage area to allow the entire top/heater mesh to slide down (like intended to store it, or how it came shipped in the box). Sliding this down will expose the bracket the manifold/valve mounts to.
Step 4) Remove the spring clip and washers from the stem on the valve. Remember the order, and dont lose any parts as this works your igniter. (I usually take a picture with my phone on these types of things, so I can recall how they went.)
Step 5) Carefully remove all the gas lines from the valve and the grounding wire at the rear of the manifold.
Step 6) Remove the two small Phillips screws that hold the valve to the bracket.
Step 7) Remove the valve from the unit.
Step 8) Remove the two small #2 Phillips screws that hold the aluminum and the brass parts together on the valve. Step 9) Give a slight tug and the two pieces will come apart easily. A small aluminum part may fall out; this is okay as it only goes in one way.
Step 10) Take a small piece of aluminum foil 1 1/2 inches by 7 inches or so, and wadd it tight into a ball. I used pliers to get it tight and small (bigger than BB, but smaller than the end of a pencil eraser) You will see that it needs to go inside the channel where the brass stem will slide in and out of the "slotted" tube on the stem.
Step 11) Put it back together and try the "blow test" again to see if the aluminum ball was the right size to make it work ...again. I had to do this a few times to get the right size "extension". Also, be sure to blow into the "main" gas inlet and adjust the gas control knob through the push in and "light" the pilot mode all through the Hi/Lo sweep. Reverse your steps and give it a try. Mine lights every time and works perfect. ...actually better than new, as it was always a task to light.
Hope this was helpful, as this was my first post...
ensure you have enough gas in the tank as the gas gets low this way happen. ensure gas tank is full switched on. ensure you keep the control knob in long enough to overide the blow out cut off. anything else may need specialist attention.
If you have a pilot, you have a thermocouple. I would start with the thermocouple. The thermocouple is supposed to be heated by the piolet and to keep the pilot gas on. If it is faulty, the pilot will quit and the heater will not reignite until you light it again. Good luck...Lee
It sounds like a thermocouple has gone bad. this is a very common problem with gas powered things ie; water heaters, furnaces, hot tubs. The telltale sign is when you release the pilot light button it won't stay lit. This is a safety feature and is relatively inexpensive and easy to repair.