HVAC Questions? Ask an HVAC Expert for Answers ASAP
Do you have a flashing light or red light when it is trying to start?
The red light is flashing. When we press the other button the green light comes on and the boiler can take up to three attempts or more to fire up.
What is the PCB?
The PCB is the printed circuit board
They have made so many modifications to the boiler it now comes with a rewiring pack