Despite a good bit of research, I'm confused about the *practical* relation between OPV and flow control.

Is it roughly correct to think that, with flow control, OPV is only important in so far as it can set the upper bound of brewing pressure but that beyond that flow control...

Please help me decide between the Unica with flow control & Classika with flow control!

For single boilers under $1600 with PID, E61, OPV, & flow control, these seem like the best machines out there, full stop. Regardless, I'm certain they're the best two for me. But I'm stuck...

I would like to reroute the steam tubing in my ECM Synchronika. But I'm not sure I have a good way to go about it.

See below for my current thoughts. Any thoughts or advice would be appreciated.

Option 1: Reuse the copper tubing that's there now

Option 2: Run new copper...

Okay so I want to start home roasting.
I did quit a bit of research and I'm currently pondering between:

1) Ikawa Home
2) Kaffelogic Nano7e

My Budget is around 1.500€ and ideally it is easy enough for a beginner like me but has the potential to learn and improve. Badge size...

If you could build a dream coffee bar what would you include? We are going to move my espresso setup to a dedicated or multipurpose coffee bar, what are the must haves? With a KafaTek MC5 grinder I just picked up Friday I am moving to single dosing, bottomless filters, and an...

The machine : Rocket HX with rotary pump.

A description of the issue:

The machine is heating very slow - reaches 74 degrees Celsius after 1 hour.

The details:

When I turn on the machine, I can hear the heating kicking in and heating up. After 15-20 minutes the boiler...

This will come as no surprise to many here.

I became aware of a scientific paper regarding moisture and static during grinding: Moisture-controlled triboelectrification during coffee grinding. I haven't had time to read this, but it should make for an interesting read.

They do mention the Ross Droplet Technique in the...

Started off with me hearing a whistling noise from the machine, as if continually boiling in the steam boiler, with the whole machine becoming hot to the touch.

When disassembling i noticed that the bottom of the steam boiler was dripping a bit. As well as there being a bit of...

I noticed cracks in the wooden feet on my Niche Duo. The Niche people sent replacements via DHL immediately. What a great company!