Co2 regular o ring

[CincyScaper]

Have a Fzone pro series dual stage regulator and need new O rings when I replace the tank this week.

Looks like it uses a standard cga-320 washer, and seems nylon is better. Anyone with recs that I can get on Amazon in the US?

 

[JayP]

Without looking, I don't recall if Fzone uses o rings or flat washers but I imagine these would work fine regardless. I haven't used them as the only new washers I've purchased, I got directly from GLA. Would probably just order these next time.

CO2 Washers for CGA-320 Regulator Fittings

 

[CincyScaper]

Without looking, I don't recall if Fzone uses o rings or flat washers but I imagine these would work fine regardless. I haven't used them as the only new washers I've purchased, I got directly from GLA. Would probably just order these next time.

CO2 Washers for CGA-320 Regulator Fittings

Fzone sells its own - CO₂ Regulator Sealing Ring Kit

I attached a pic from an Amazon review of the specific part that I am looking for.

Just don’t want to get the Fzone one, and want to see what my other options are

 

[gnatster]

Appears to be an ordinary O ring. 99 cents for s 5 pack at your local auto parts store.

Edit to add that if the refill location is sompkace like Linde or AirGas they'll have O Rions in stock too.

 

[Scaper26]

Flat washers can be tricky if they don’t sit right. A lot of people have complained about flat washers leaking on the fzone regulator. I would suggest using an O-ring that sits in the intended groove. I think this is the one you need, but do cross-check: