Applicable for the following models
251816050000 D9W
251996050000 D9W
252044050000 Hydronic 10
252081050000 Hydronic 10
252160050000 D10W
252161050000 D10W
252434050000 M-II D10W
252435050000 M-II D10W
252470050000 M-II D8W
252471050000 M-II D8W
252472050000 M-II D12W
252473050000 M-II D12W