3rd Party Controllers
All Digital Heat Siphon Models have a set of POD screw down terminals on the Player controller which permits you to hook up a 3rd party controller and have the Heat Siphon run when the two wires are shorted and shut off when they are "open". When this mode is used the Heat Siphon MUST BE PUT IN EC MODE and the wiring must be correct - For detailed instructions on these subjects here are a list of links to help you:
ANALOG MODELS -
How to hookup third party controllers to TIMERSTAT PRO ANALOG MODELS
How to hookup third party controllers on OLDER Analog Heat Siphons
DIGITAL MODELS -
Easy-PIC Card for Pool-Spa Combo Automation (3-way valves)