Additional InformationcETLus 4009064|CSA C22.2|UL 873
Marketing InformationThe ZSR101 single zone switching relay is operated by low voltage thermostats. The ZSR101 single zone switching relay incorporates power-in, relay 1 and relay 2 connection terminals to provide a convenient and cost effective way to control a circulator and a boiler operating control in a single zone hydronic heating system. The ZSR101 single zone switching relay saves hours in installation time and provides a clean and professional installation.