• ES relay assembly for 7901 and 7981 serial control boxes or the 'A' circuit ES relay assembly in a 7902 or 7982 series control boxes
• Includes 390 relay, base and wires
• Can be added to standard 7901, 7902, 7981, or 7982 series control boxes to convert to ES operation
• Relay package, 3390A is included when ordering a 7901ES, 7902ES, 7981ES, or 7982ES series control box
|Warranty||2 Year Warranty|
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