Recent content by steves741

Thanks Tony, I guess I'll give the repair guy a call! Appreciate your help, Steve

Pressure is where it should be on the gauge, and bottom green light stays on permanently. Top LED is always off.

As far as I know it is called a Format 34i (i for internal). Does this make sense?

Not much experience with radiator boilers so excuse any ignorance in my question, but our Format 34i boiler seems to be operating in "binary", rather than "modulating" mode for some reason. That is, instead of the burner staying on and holding the water temperature reasonably steady while there...