STEP 500

• Day and night temperature settings
• 3 stages of heating and 5 stages of cooling
• Controls the majority of heating and cooling equipment
• Equipment comes on gradually after a power failure
• Color coded manual override switches
• Includes an aspirated temperature sensor and 100' of cable
• Includes an outdoor temperature sensor to anticipate heating needs, and 25' of cable
• Replaceable 10 amp DPDT load relays
• Programmable lockout disables stages for energy savings
• Displays greenhouse temperature
• Modulating output voltage for proportional steam and hot water valves
• Corrosion resistant NEMA4 anodized aluminum cabinet with locking door protects your control, 22" x 16" x5"