Here is an interesting situation: I bought a new 9kg gas bottle from a discount place called the Clearance Shed. Added a POL valve to fit my heater and took it to a petrol station to get it filled. Came home, hooked it up, tried it out, worked fine, turned it off.
A couple of days later I wanted to take the chill off a room. Opened the main valve on the bottle, fired up the heater, nothing. Tried again. Nothing. Again. Nothing. Eventually I determined that regardless of what I did, no gas was coming from the bottle. I even removed the POL valve (took it outside first). The problem is clearly the main valve into the bottle that turns with a handle. It feels normal when turning, but nothing I can think of gets the gas flowing.
The bottle is clearly not fit for purpose so I have no doubt I can return it and demand my purchase money back. The problem is that it is full of $30 worth of gas, with no way to get it out. I see two issues here: first, is it safe and responsible to return a faulty gas bottle filled with gas? Can they refuse to accept it in that condition? Second, how do I get compensation for the gas? I just filled the bottle, none of this is my fault, and I don't see why I should have to take a loss on it.
So what do all of you think? What is the proper procedure in a situation like this? Has it even ever happened before? I really am not sure how to approach it with the shop.