The GW and most modern boilers have a low water content and lightweight metal HE so they can overheat within 10 secs.
The c.i. suprima can probably manage this without any problem.
Have you seen if there is also a 15 sec delay before the pump starts when its controlled by your store?
Tony
The c.i. suprima can probably manage this without any problem.
Have you seen if there is also a 15 sec delay before the pump starts when its controlled by your store?
Tony