Part Number: 55940   
Model Number: PVS500Z
Agency Model: VSP-PVS500Z-CCAJ
120V/240V
60Hz
16A/32A
NSW21011
Use Topside No. 53999, MVP260 and Overlay No. 7510 (not included- choose option above)

Can replace Balboa Part No. 54368-03

Used in Go Spa Models : 620, 624, 626, 630, 631, 632, 633, 643, 742
Used in Premium Leisure Fitness Series Spa Models : Stamina, Vitalizer, Duex, Sol
Used in Pinnacle Swim Spas
Used in Mark III Spas