Product Description
Balboa VS/EL Series Expander Board 33-53544-K
Description
SKU: 53544
MPN: 53544
Model/Series: VS510SZ / Value Series
UPC: 637509177386
Manufacturer: Balboa Water Group®
Warranty: by manufacturer 1 year
Features:
- M7™ Technology
- Value Series
- EL1000/2000-2001
- Chip Number: Extension Relay
Product Specifications:
- Size: Compact and efficient design, measuring 3.25″ x 1.75″ x 2″.
- Functionality: Specifically designed for Pump 2, with a single-speed configuration.
- Cables: Includes 3 cables for seamless connectivity and installation.
- VS510SZ Tech Sheet
This system combines the advanced M7™ Technology with the Value Series, making it a reliable choice for your water heating needs, especially when paired with the Extension Relay chip.

