List Price: $16.95
Sale Price: $12.97
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This type of gauge will never read properly, for what we want (a reliable indicator of when to change tanks). Propane is a refrigerant (a refer that explodes), and like all refrigerants its pressure is dependent on its temperature through almost all conditions (technical: as long as there is a bit of liquid refrigerant in the tank, the refrigerant occupies the flat area on the P/T curve). As a result, you'll always "read green" on the gauge until it almost exhausts the tank (= vaporize the last of the liquid). If you watch the gauge while cooking (a real trick), you'll see the needle drop in the last 5--10 minutes, but of course at this point you have food in mid-cook. Watching the size of the flame jets is just as effective in getting a lead time (no jet = no gas!!). I tried this gauge twice (I'm such a glutton for punishment), and both times when I changed tanks (after a "surprise outage" in the middle of a cook) the gauge then refused to pass gas; I surmise the tank change operation introduced a spec of dust (twice) that blocked an internal port. When you're cooking (and the shrimps on the barbie are making fun of you), you're not going to sit down and clean out the ports (if they can be cleaned; at $13 I'm not investing anymore time). Fortunately, these gauges are as easy to take out as they are to install, so the shrimps lost the game after all. However: "never again". On the bright side: we have Recycling here, so some lucky sorting facility gets some brass!! I love happy endings.
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I pirchased this to use with our Weber Q grill and the adapter we had for a 20 lb tank. It works great. No more insecurity while grilling. We now know how much gas there is and are now longer concerned we will run out mid cooking.
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