PERA Soda Gas Regulator Tr21.4 Include Red Gas Line Assembly,Ball Lock Gas Disconnect for Soda Maker Sparkling Water Soda Cylinders Soda Canister

This worked perfectly. I wanted to try kegging for home brewing but I cant afford and I dont have the space for a large system. This worked for me perfectly

I can't give this more than 1 star. It's not fit for purpose. I've attached a photo of this unit (on the left) and an alternative model from Brewers Edge, on the right. You can see that the one on the left only comes with a thin plastic washer. This isn't sufficient to contain the co2 when attaching/during normal use. If you look at the SodaStream machines, they all have o-rings. The Brewers Edge model has this o-ring. The unit on the right works perfectly. Not even the slightest 'hiss' when I attach the co2. Other reviews corroborate this - you have been informed!

Followed what others said about switching out the rubber washer for the clear one. I found the adjustment knob to be a bit too easy to turn, buy I found if you remove the sticker on top there is a small adjustable set screw that you can tighten down to limit the psi. I'm using this to dispense beer and I dont want any more than 12 psi so I dialed it in and it stops at 12 now. I tried to find a way to tighten the knob itself but it doesn't seem that the bigger allen head does much.

Works just like it should. Took the thick black washer out and replaced it with the clear washer included. Screwed the blue sodastream cannister on and that was it. Easy way to get CO2 on my 2.5 gallon keg.

Was looking for a way to serve kegs at a cookout without having to take a full size co2 tank and its bulky regulator. I’m also not a fan of using a handful of mini cartridges to serve a full 5 gallons. This gadget was easy to set up and my sodastream tank screwed in without any issue. Yes it sucks that the gauge goes up to 90psi and that makes it tricky to set low pressures accurately, but if all you’re looking for is enough gas to dispense finished liquids this gets the job done.

Great product! Works well with threaded sodastream 60L bottle. If you’re a home brewer, I highly recommend!

Gage fully cranked down only goes to 60 psi on a brand new soda stream bottle. I would love to be able to go up to at least 90 because I am carbonating water with it

As Christian noted, the black gasket that comes in the Tr21.4 input is too thick. He noted there was a thinner clear gasket you could swap out. Unfortunately, I didn't see that with my kit. Another reviewer mentioned sanding the washer/gasket. I tried that and it worked. In fact, it worked so well that I couldn't even tell the gas was flowing because there was no rush of gas at all on initial connection! Another issue noted by another reviewer is that the gauge on the dial makes it difficult to dial in perfect serving pressure - that will take practice. Overall good value for the price, but you have to be ok with those minor issues.