Siemens Industrial Controls 3RT2027 1AL20 Contactor 318973 401 Does this include the adjustment Does this include the adjustment knobs Will this resolve a "Low Air" or "Blower Proving" fault code it handles up to 20 HP including compressors
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Siemens Industrial Controls 3RT2027-1AL20 Contactor 318973-401 Does this include the adjustment