The Giacomini PM100Y103 is designed to control heating installations where temperature control is made by ambient thermostat that operate electric actuators controlling water supply to individual circuits.
It contains a control relay with time delay for the UFH circulating pump and relay for switching external controls. Time switches with volt free contacts can be connected to the unit.

For use with mixing or distribution manifolds allowing you to control up to 8 individual thermostats. Comes with high limit protection probe & pump signal (mixing manifold only), tiual thermostats. Comes with high limit protection probe & pump signal (mixing manifold only), time clock connections, boiler switch, etc PM100...

View/Download Technical PDF