Qualifying Models:

Gas Furnaces:

G61MP-36B-071
G61MP-60C-091
G61MP-60C-111
G61MPV-36B-071
G61MPV-60C-091
G61MPV-60C-111
G71MPP-36B-070
G71MPP-36C-090
G71MPP-60C-090
G71MPP-60C-110
G71MPP-60D-135

Boilers:

GWB9-050IH
GWB9-075IH
GWB9-100IH

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