HAVING TROUBLE WITH THE DHW SUPPLY. WHEN THE HOT TAP IS TURNED ON THE WATER GETS HOT THEN COLDER THEN HOT AGAIN THEN COLDER ETC. ANY IDEAS. i INHERITED THIS BOILER WITH THE HOUSE AND HAD NEVER HEARD OF IT UNTIL THEN. MADE BY "CHAFFOTEAUX ET MAURY"
The water temp control is at maximum so thats not it. The blocked heat exchanger (I assume that means hard water scale) seems a possibility and I will look as soon as the weather warms up and I dont need the CH.
By the way is there any accepted method of defurring a heat exchanger?
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