Product Details
- Voltage (v)120/240 VAC
- Hertz (HZ)60 Hz
- Temperature Range (F)40 to 150 °F
Description
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
- Replacement Relay Assembly for 21D28-2 System 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