A sensor in the group is a thermally a million miles away from the heating element in an HX. One might do better to model group thermal performance and install sensors for ambient temperature, air flow and direction - all of which impact an e61. Back in '08 I measured a VBM HX w PID with a Scace 1

I have definitely been looking at that one. The top/handle worries me a little. I've heard it can fall off too much

Kingrinder at $100 or so is another option. Looks like Amazon US has the K6 at $100 after a coupon right now

Have a small split in steam tube (image attached) Has anyone got a confirmed source for a replacement to this tube I can order? I've found a couple online but they all warn they might not be right and/or cannot be connected to the boiler. Any help would be greatly appreciated! Potential I have found? Are

I might not haul the Robot every time I travel, so I need to figure out my priories still. But, I think good for espresso is the most important. Now it is looking like I might spend the extra money for a J-Ultra

This is what I use. Works perfectly. {link}