Lennox mid efficiency here.
I've got spare sensors. Anything else I should be hoarding?
Have only had to change the ignitor and flame sensors once.
I also clean it seasonally and spend too much time doing so according to @ThePenIsMightier and his "skin cell tin duct sweep method".
Not that I call services too often but I find they bury the labour in with part cost and travel time and round up on hours. Little bit here and there.This quote is hidden because you are ignoring this member. Show Quote