Chris. asked ... Miele W800 novotronic washing machine?    |    Larry asked ... How to stop my steam iron from leaking. Model dw2463 Rowenta?    |    HT asked ... Radio code Philips 22RC200/35?    |    Roberta asked ... DW5080?    |    Dave asked ... Toilet Push Button not flushing properly?    |    Click here to ask your question

Why does my ideal isar boiler use the 't' function every 6 mins?

Every 6 minutes my isar boiler uses the heatplate exchange function. It displays 't' on the display.
Elaine Page, November 2007
it should do that when its not heating the ch or dhw,
its to preheat the dhw heat exchanger.

barry, November 2007