Home › Forums › General › Rational Combi Howling Sound General Rational Combi Howling Sound Posted by Anonymous on March 8, 2024 at 6:07 pm Model: SCC 102 G makes a howling sound when it ignites in steam Anonymous replied 1 month, 2 weeks ago 1 Member · 0 Replies 0 Replies Sorry, there were no replies found. Log In to Reply Log in to reply. Log In Register Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Log In to Reply Start of Discussion 0 of 0 replies June 2018 Now