W W wizzle 25 Feb 2016 I have same issue as you here //www.diynot.com/diy/threads/ravenheat-he120t-low-nox-error-code-28-problem.237589/ can you help me please?
I have same issue as you here //www.diynot.com/diy/threads/ravenheat-he120t-low-nox-error-code-28-problem.237589/ can you help me please?