The terminals are typically marked: 'C' for Common

Proper alignment is key to efficient operation

Does this switch work on 2-stage furnaces

ensure the VFD carrier frequency is compatible with solid-state sensing to maintain accuracy

Schneider Electric (Erie) VT3222 Valve Body The terminals are typically marked:The Schneider Electric Erie VT3222 Valve Body is a professional grade 3 way zone valve designed for demanding hydronic heating and cooling systems. Built from high quality brass, this 1 2 inch NPT body features a 3. 0 Cv flow coefficient, making it an ideal choice for diverting or mixing applications in fan coils and baseboard systems. As a key component of the PopTop series, the VT3222 is engineered for two position control, offering a quick opening