Posted: 7/7/2025 5:10:48 PM EDT
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Grilled some Bratwurst yesterday on my Weber Spirit II 210 grill, and had lots of trouble as no matter how high I turned up the heat, the grill wouldn't get over 300 degrees. Took twice as long as usual due to the low heat; and the brats ended up pretty dry I think due to the length of time it took to cook them. Turns out that Weber gas regulators have a 'bypass' valve as a safety feature. If the gas hose from the regulator to the grill doesn't pressurize properly, this bypass valve limits how much propane gas gets released from the regulator. Has a simple fix, shutoff the propane bottle valve, shutoff the grill temperature controls, wait 30 seconds, then open the propane bottle valve again, going very slowly for the first revolution of the valve handle to let the gas line pressurize properly then fully open the bottle valve spinning the valve handle quickly and then restart the grill. I guess I left the temperature control in an open position when I grilled previously and the bypass valve detected that the propane line didn't pressurize due to the open control valves. The very slow opening lets the gas pressure reset the bypass valve as the gas line pressurizes. Never knew about this bypass valve and never triggered it using this grill for the last decade plus so putting out the info for others. |
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This has been around for a long time, it is a safety in case the line breaks or some other excess flow situation. It helps to slowly open the valve with the knobs turned to off or else the surge is seen as a leak and cutoff. |
Think of how stupid the average person is and realize half of them are stupider than that.
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Originally Posted By gotigers: My Weber Genesis hits over 300 all the time. Attached File |
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It's not a "bypass valve", it's a variation of a ball check valve. When gas flow spikes up it pushes the ball against an orifice, choking off flow, and pressure keeps it there. It has nothing to do with the temperature of the grill. It makes it really hard to use standard bottles with a weed burner. You need to open the valve *reeeeally* slowly. Oh, and don't jostle the bottle, as that will activate the valve as well. |
"As God is my witness, I thought turkeys could fly." A. Carlson
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Originally Posted By R2point0: It's not a "bypass valve", it's a variation of a ball check valve. When gas flow spikes up it pushes the ball against an orifice, choking off flow, and pressure keeps it there. It has nothing to do with the temperature of the grill. It makes it really hard to use standard bottles with a weed burner. You need to open the valve *reeeeally* slowly. Oh, and don't jostle the bottle, as that will activate the valve as well. Agree that calling it a 'bypass' valve is a poor word choice, but that's what Weber calls it on it's website; which is where I got the info about how to reset it so I can get full flow and high temperatures again. |
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My Weber does not have this design flaw. Attached File Attached File |
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Originally Posted By engineer61: Agree that calling it a 'bypass' valve is a poor word choice, but that's what Weber calls it on it's website; which is where I got the info about how to reset it so I can get full flow and high temperatures again. |
"As God is my witness, I thought turkeys could fly." A. Carlson
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Originally Posted By gotigers: My Weber Genesis hits over 300 all the time. Same here. I had a dud tank that wouldn't go over about 300. One more thing. OP, you are supposed to boil the brats in beer & onions. After that you grill them to give the casing a little texture. |
z - Deplorable Neanderthal Garbage
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Originally Posted By motoguzzi: This has been around for a long time, it is a safety in case the line breaks or some other excess flow situation. It helps to slowly open the valve with the knobs turned to off or else the surge is seen as a leak and cutoff. The flow limiter is built in to newer tank valves to limit gas flow in a ruptured hose. As others have stated, if the valve is initially opened quickly the sudden rush of gas to pressurize the empty lines will activate it. You'll hear a distinct click in the tank valve. It took me a while to figure this out. |
I know I'll never go home.
So set fire to your ships, and past regrets, and be free.
So set fire to your ships, and past regrets, and be free.