New hot water service gas been fitted further up the wall and is more compact than the old one, necessitating the extension of the gas pipe & the cold water in & hot water out pipes. These are all in copper and because the original setup lacked a water input isolation tap, one had to be added.
The plumber was relieved whennI told him the adjacent ducted gas heater was not being used, as the HWS need mains power. Which in turn meant no external power outlet needed to be fitted The other option was to hang an extension cable out either the toilet or bathroom windows.

The only problems I've had with my 2011 MBP (15-in) have been software-related. That's almost 6 years now. How time flies.

// @japchap

People who have Bluetooth headsets need a clip round the ear.

One hour & 45 minutes (& $1630) after calling the plumber I have a working hot water system. The previous unit could handle 16 litres per minute, this one does 26. Temp is regulated to no more than 50°C and there's no pilot light, the gas ignites via 240 volts on demand. I'm going for a shower now.

The apocalypse

Plumber has arrived, is changing the unit over right now. I haven't showered or shaved for two days and it's hetting a bit smelly around me.

Great. Just what I didn't need to happen. My instantaneous gas hot water system has died, pissing water out everywhere. Plumber said it'll be around $1600 to fix it. It lasted about 15 or 16 years since it went in to teplace an older one. The cost then was $960.

Friday morning. You're outvoted.

//

Mac user group draws its annual raffle tomorrow at 3 pm. First prize, top-spec 12.9-in iPad Pro with Apple Pencil; 2nd prize is a $500 Apple Store card; 3rd prize is a 64 GB Apple TV 4 & 4th prize was donated by a member whose deceased husband never got to use it: a TEAC turntable/CD player/mp3 encoder.

I could use a big iPad.