if i was you i would actually state what you werre trying to fix whilst naked and wet … people may assume that some small hand held appliance has become an issue
I’d re built the thermostat on the shower the day before and (then) the water temperature was too high even with the shower on the lowest heat setting. As I discovered when I first used it and turned a sort of lobster pink.
The Bristan handbook was for the information, the Philips screw driver was to do the adjustment work.
As I said, “… there is a perfectly rational explanation for this occurrence.”
Next you’ll be wanting to know why, the same day, I was sitting straddling the garage roof ridge examining the crotch of my jeans,
There’s a perfectly rational explanation for that too.