AC Control Boxes
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Part Number: 525-31418-000

Price: $23.82
Part Number: 18400001

Price: $184.55
Part Number: 7900-6021B

Price: $254.27
Part Number: 3500-5841/B

Price: $151.80
Part Number: 3500-5821

Price: $110.11
3500-5821 IS OBSOLETE  What you are buying is the parts that goes in the box!!! OBSOLETE No longer availableTHIS IS PARTS ONLY BOX INCLUDES.replacement parts are as follows

 40VA transformer (3300-3861), thermostat relay (PR360), 24V fan relay (PR380), system switch (3110-3321), fan switch (3110-3331). NO METAL BOX