The Functional Devices TR175VA001 uses color-coded leads to designate voltage: the Black wire is Common

this natural gas pilot orifice ensures consistent flow regulation to the pilot burner assembly

and Coleman furnace platforms

reducing time on the job site

Johnson Controls TEC3313-14-000 Thermostat Els PW 17895 The Functional Devices TR175VA001 usesThe Johnson Controls TEC3313 14 000 is an advanced, 19 30V AC low voltage standalone thermostat controller designed specifically for precision fan coil and zoning control. This model serves as the designated direct replacement for TEC3311 00 000, featuring an updated white housing and integrated occupancy sensor for proactive energy management. Built for commercial environments like hotels and schools, it provides on off or floating control for 2 pipe