Search results

  1. J

    Powremaxx 155. LOUD WHISTLE!

    Powermax 155 Boiler. My boiler has started to make a loud whistling noise when the burner is on. It is loudest from the outside flue outlet but can also be heard in the boiler cupboard. It is getting louder by the day. I called in my local Corgi man who said it was a gasket problem which costs...