Honeywell Q539A-1428 Zone Thermostat Subbase 0129 Trolatemp Q539A1428
PN: Q539A-1428 Q539A1428
Zone Thermostat Subbase
0129 Trolatemp
For Control Of Only Master Zone In Honeywell Trol-A-Temp Zone Control Systems Use With Only T87F3707 Zone Thermostat Switching Rating: 2A At 24 VAC System Switch: Cool-Off-Heat Fan Switch: On-Auto White Finish