This part is Obsolete and is no longer available. For 120/240VAC operation consider the ETC-211000-000. For 24VAC operation consider ETC-212000-000. User must make sure the replacement part is suitable for their application. The sensor with the Goldline products is not compatible with the Ranco ETC model line.
The SP-30 and SP30D controls are single stage general purpose, temperature controls for use in HVAC, refrigeration and industrial applications. The setpoint temperature range is user selectable from -30F to 100F or 70F to 200F
The SP30 control provides one isolated SPDT relay output, while the SP30D provides two.