i dont no how to fix it thats why im on here, i didnt no if i could add something to the outside to stop the water running in or add something to the elbow on the inside to lift it up 2inches as the hole that cut has room to adjust the flu.
how can i fix my flu that has been installed wrong, my combi boiler is positioned on a gable end wall and the meter long flu sticks out of the gable end wall, the problem is who ever installed the flu didnt line it up straight it is going up at a 30 degree angle so whenever it rains the water...