Finally!
The Hot Tub company sent up two guys to replace some parts yesterday. They drove 2 hours from Cork. I thought they would be in and out in an hour but they were at it all day. I think they had to practically rebuild the Hot Tub operator. They left at 5pm and the hot tub began to heat.
This morning, I got a text from Ciaran who is in Belfast to check if it was warm. I dipped my foot in and it was so nice that I promptly hopped in and sent him a text of the steam rising!
It was -1 degree celcus last night, so today is perfect weather for hot tubbing in the garden.