I have a leak coming from the back of the pump. I'm guessing the O rings need to be replaced.
The installation guide says I should drain the primary circuit but gives no instructions on how to do it.
So, I'd appreciate some help on how to drain and then re-fill this boiler.
Thanks
The installation guide says I should drain the primary circuit but gives no instructions on how to do it.
So, I'd appreciate some help on how to drain and then re-fill this boiler.
Thanks