Hello everyone, I decided I wanted to add a permanent gauge to my CC1 to keep an eye on brew pressure. I know it's not necessary but I like to tinker. I've had this machine for a couple months and really like it. Playing with the PID settings has been cool too. If anyone is interested in the details I'll be happy to share.
That's pretty cool. Not sure how you cut the hole but it looks great! I do have a similar liquid filled pressure gauge and would be happy to supply some kits if others are interested. Can you show the inside where you made the connections?
Thank you for the compliments on my work. So here's how I did it:
Ordered the following parts:
4mm outside diameter with 2.5mm inside diameter tubing (thank you Bill for the specs and answering my emails so quickly). Make sure it can hold up to high temperature and pressure.
A push fit tee fitting. Again make sure it is rated for higher pressure and temperature. A compression fitting would also work well here. I went with a push fit so I could take it on and off.
1.5" glycerine filled pressure gauge. The key here is to make sure it is a back mount (1/8" NPT fitting on the back of the gauge).
A 1/8" female NPT fitting to a 4mm push fitting.
Step 1: I used my dremel with a cutting disc to make the hole. It was pretty rough so I then used a sanding drum attachment to make the hole nice and round.
Step 2: Removed the hose from the boiler outlet to the 3 way valve. Replaced it with the tee fitting and trimmed the 4mm hose I bought to fit. I had to heat up the hose slightly so I could bend it to make everything fit nice and keep the lines as short as possible.
Step 3: installed the 4mm to female NPT adapter onto the back of the gauge and mounted it to the machine using a small bead of epoxy. With this setup I get no needle flutter. This gauge is rated to be used with gas and oil so the hot water is not a problem.
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