55137 Balboa ® 2-Relay Extension Circuit Board for VS520/BP2000G1 Systems

55137 Balboa ®2-Relay Extension Circuit Board | VS520Z / 525Z / 520Sz/BP2000G1 Balboa ® 2-relay expander circuit board  for 2nd pump used on VS520 Systems. This expander board is usually found on the following Balboa ® Control System models: VS520Z, 525Z, 520SZ, 520DZ, 523DZ.  Includes 30  Amp fuse. Features: 2-relay design Sensor and two built-in connectors Includes 30  Amp fuse. Productions Specifications: Size: 3.125" x 1.625" Sensor and 2 connectors This Circuit Board is a replacement for many 2-relay circuit boards by Balboa ® and serves as a direct upgrade for many models. This circuit board is also a replacement option for the following part numbers: 33-55137-K, 59-355-1600, 59-355-1051, 33-0029C-K, 3-60-0087, 3-00-5012, X-P332. Also replaces  part number 56710 (used in LPI501 Systems). SKU: 55137MPN: 55137UPC:  608819223599Manufacturer: Balboa Water Group ®Warranty by manufacturer 1 Year-----------------------------------Shop this and more spa parts at the best prices on