Schaefer greenhouse ventilation equipment,Controls. Frequently Asked Questions about orchids Greenhouse Environment Controls Tstat 23 Two stages of heating Three stages of cooling. Alarm output to detect extreme temperatures and power outage.
Easy programming allows for quick staff training.
The entire program is visible. Adjustable time-delay between stages to prevent short cycling. DIFtrol 23 DIFtrol 24A Two stages of heating. Three stages of cooling. For use in small greenhouse operations with up to two bays.