Replace the OPV with a pressure gauge?

by **mturkel99** on Sun Feb 17, 2008 5:22 pm

Okay so whats the worst thing that could happen if I permanently replace the OPV with a pressure gauge?

by **Richard** on Sun Feb 17, 2008 5:27 pm

mturkel99 wrote:Okay so whats the worst thing that could happen if I permanently replace the OPV with a pressure gauge?

by HB on Sun Feb 17, 2008 6:54 pm

I assume you mean the safety pressure release valve. Defeating it in any fashion risks an explosion. Hot shattered glass, fragments of metal, scalding hot water and steam... with little or no warning.

by **fac10** on Sun Feb 17, 2008 7:49 pm

Here's a video showing the possible result on a slightly larger scale with a home water heater.

by **mturkel99** on Sun Feb 17, 2008 8:50 pm

Haha, ya I figured. But, if I replace it with a pressure gauge, won't I realize before it blows?

by HB on Sun Feb 17, 2008 8:53 pm

mturkel99 wrote:But, if I replace it with a pressure gauge, won't I realize before it blows?

Don't be crazy. It's called a "safety pressure release valve" for a reason. Use another connection point or add a tee so the safety can remain in place.

by **TUS172** on Sun Feb 17, 2008 10:44 pm

mturkel99 wrote:Okay so whats the worst thing that could happen if I permanently replace the OPV with a pressure gauge?

Haven't you discussed adding a pressure gauge in another thread recently? I know at one point you were having a hard time getting it off. http://www.home-barista.com/forum...cremina-t5991.html If you messed up the over pressure valve on your current Cremina you can get a domestic replacement.
Anyway here is a solution.
http://www.home-barista.com/forum...cremina-t3601.html

by **mturkel99** on Mon Feb 18, 2008 4:15 pm

TUS172 wrote:Haven't you discussed adding a pressure gauge in another thread recently? I know at one point you were having a hard time getting it off.

Yes, yes. I was just curious how important the OPV really was. Oh, and I still have yet to get the OPV off, I'm going to have to take the machine home and put it in a vice/ use an impact wrench.

by **fredfal** on Mon Feb 18, 2008 4:28 pm

OK, maybe this is way out there, but I recently replaced my pressure relief valve on the steam boiler of my Brewtus. I was also having trouble getting the entire valve off of the boiler.

So, I took the valve apart (on the boiler), took the new valve apart and replaced the innards of the old valve (without removing it from the boiler) with the innards of the new valve. Worked like a charm.

Just a thought. May not even apply, as I'm not familiar with your machine.


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