Hydronic Switching Relay, 120V Primary Power Supply, Double Pole Double Throw ( DPDT )Switching Action, Enclosed Intermediate Relays for 24V Two or Three Wire Thermostats, 24Vac Coil

0-500 PYROMATION PLATINUM SNSR

R1T185L483-S4C0609-SL-6HN31

R1T185L483-003(3/4)-SL-6HN31