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White Rodgers - 1F51N-619 Functions as a switching device for the thermostat to provide an even level of cooling plus a choice of high and low speed control of the fan on evaporative coolers
Features:
- Replacement Wall Thermostat for 21D28-2
- Fully automatic, system designed with a fan delay (approximately 60 seconds) to pre-wet the cooler pads before the fan start
- Separate fan and pump relays. High or low fan speed selection
- Relay panel is removable from enclosure to facilitate field wiring
- Integral transformer 120/240 VAC to 24 VAC 60 Hz
