It would be great to know what it is, how it works and how it differs from the conical valve used now, as well as the motive for the switch to conical

The next bridge up-river from Tower Bridge is London Bridge, at the south end of which is Borough Market. This is an assemblage of fruit, cheese, bread etc stalls, of high quality, and is worth a visit on its own. Adjacent to the market (west side) is one of Monmouth Coffee's outlets. Monmouth was sourcing, roasting and serving high quality

It's called the helix valve. What do you want to know?

My experience with the Lagom P01 with the 98mm Mizen burrs has been negative for slow to medium grind speeds. There is a change in grind adjustment, slower speeds requiring finer settings for the same dose and timing of espresso; but the taste is unchanged, at least given the five minute gap in tasting. Given the difficulty

When I upgraded from a Behmor to my Bullet, it took me about 50 or so roasts until I felt like I really had a handle on roasting on the Bullet. I was using other people's roast charts as guides to help my learning, but I was not using pre-programmed recopies to guide the roast, even to this day I

I've noticed on my Weber Key Mark i that slower grind speeds tend to enhance the clarity of espresso. I usually grind at the slow end of the range

Well, looking at a wiring diagram I found, it looks like they had the correct wires attached to the solenoid... I was able to fill the boiler... but when the contactor kicks on to run the boiler, it trips my GFCI.... I tested what I knew how. Each of the L to T lanes in the contactor are actually open

Thank you both

Could you just buy a set of nice rubber feet and attach them with double-sided tape?

Does this sound like it could be a faulty pump? {video}