Is it easy to replace high pressure gauge on Micro Matic Regulator?

[Omega]

I broke high pressure gauge on Micro Matic Bottle Mounted CO2 Regulator from Malt Miller. I found the gauge on internet and wonder how easy it is to replace it -
https://booth-dispensers.myshopify.com/products/3450502-nptr-micro-m-0-315-bar-psi-gaugeIs it simply unscrewing the gauge and putting a new one or there more to it? It looks like the thread has white sealant. Thank you

 

[LeeH]

You can but it’s proper stuck in. Mine took a lot of torque to release it, you need a good vice.

EDIT yours looks like it’s only PTFE so should be much easier.

 

[RoomWithABrew]

Mine was ludicrously tight, somewhere on the regulator there are reverse threads if you are taking the whole thing apart, but I can't remember which parts or where I saw that.