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Buderus g115 with riello direct (balanced flue)
I just walked up on a Buderus g115ws/4 with a riello r40 bf3 that's all sooted up. The last company stopped taking the customer's calls and now
the boss wants me to get married to it. I'm looking at the riello set up specs and it looks like the WS isn't specified with a direct vent set up. Does anybody have any thoughts on it? Is it a mis match that will never fly or regular business?