MODEL ESP MAX22

programmable

The ESP Electronic Programmable offers “Best In Class” 22Amp Max Rating for larger heating circuits. Featuring 7 individual day programmability for maximum temperature control; four time and temperature settings. 3 wire, line powered. Large back-lit display. This thermostat took years to develop and has become a popular model. All the features you want without too many buttons. Simple is always better. We have added backlighting to the full-size display and an on/off switch to control the illumination. On the front two simple buttons control the temperature up and down, while all the programming keys are hidden under the front cover, protected from wandering, unauthorized fingers. Comfort and convenience is always our primary goal at King.

  • “Best In Class” 22AMP Max Rating
  • Fully Programmable: 7-Days and 4 Time Periods Per Day
  • ESP Saves Up To 28% On Your Heating Costs
  • 3-Wire Installation
  • LCD display of room temperature
  • Red LED Heater ON Indicator
  • Comfort Color Back light Display (Red at 75ºF / Blue at 65ºF)
  • Electronic temperature sensing is the most accurate technology
  • 3 minute cycle rate reduces temperature swings and increases comfort at all control settings
  • Complies with all codes requiring anticipated or electronic thermostats
  • Single pole design with third wire to power display
  • Shallow design allows more wiring room inside full electrical boxes
  • Available in 120V or 208/240V
  • System On/Off switch
  • 1-year limited warranty

Simple Programming Has Always Been Better.

All the features you want without too many buttons. Simple is always better. We have added backlighting to the full-size display and an on/off switch to control the illumination. On the front two simple buttons control the temperature up and down, while all the programming keys are hidden under the front cover, protected from wandering, unauthorized fingers.

Available Models

Ordering Information

MODELUPCTYPEWIRE LEADSVOLTSAMPSTEMP. RANGEPURCHASE
ES230-R10374Electronic Line Voltage3 Wire208/2402240ºF-95ºFBuy Now
ESP120-R103787-Day Programmable3 Wire1202244ºF-95ºFBuy Now
ESP230-R103807-Day Programmable3 Wire208/2402244ºF-95ºFBuy Now

Engineering Specs

Temperature Range: 44°F – 95°F (7°-35°C)

Temperature Default: Your saved setting

Display Format: LCD

Illumination: Green LED

Sample Rate: Every 60 seconds

Room Temp. Display: Large LCD

Delay: 3 minutes on or off

Accuracy: NEMA TEST 1.5°F @ 22 Amps, 1.4°F @ 16 Amps, 1.2°F @ 10 Amps, 0.9°F @ 4.2 Amps

Power Source:
208/240 VAC (ES230), 50 – 60Hz

  • 22 Amps at 240V, 5280 Watts
  • 22 Amps at 208V, 4576 Watts
  • 22 Amps at 120V, 2640 Watts
  • Wire leads #12 AWG
  • 44°F to 95°F set point range
  • Electronically anticipated
  • 120V or 208/240V models only
  • Digital thermometer/set point
  • Meets energy requirements
  • Three wire installation
  • Snap action relay built-in
  • 30 Amp relay
  • 3/4″ depth into wire box
  • Single button operation
  • Thermistor sensor
  • Contemporary styling
  • LCD display
  • 1.5 degrees maximum
  • 3 min. delay between cycles
  • For use on all types of electric heaters, fan-forced, baseboard, radiant, etc.
  • On/Off switch for backlight
  • On/Off switch for system
  • Battery backup