Discover the features and installation instructions for the EPH CONTROLS R37V2 3 Zone Programmer. Learn about its specifications, power supply, programming modes, and factory default settings in this comprehensive user manual.
Learn how to install and use the EPH CONTROLS R37-HW 3 Zone Programmer with this comprehensive user manual. This programmer provides ON/OFF control for one hot water and two heating zones, with in-built frost protection and keypad lock. Keep this guide handy for factory default settings, wiring specifications, and master reset instructions.
