: l' `# b3 P1 k* S+ X# ?one stage T-STAT has "w" wire terminal. `7 o# Z5 E. {" u$ W* G4 Q) k
two stage T-STAT has "w1" and "w2" wire terminal* N! c. e3 k% ?/ \+ Z6 a
9 X; E# w* H7 \ I+ A! c) h( O: k' Z; v; O+ n% r$ S+ V
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