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Description
The tekmar Steam Control 279 can operate a single on-off steam boiler or an on-off steam valve using outdoor reset. The control determines the on time of the boiler or valve based on the measured outdoor temperature and settings entered by the installer. A large LCD displays the current status and operating temperatures.

Features:
  • Outdoor Temperature Reset
  • Warm Weather Shut Down
  • Built-in programmable timer
  • Indoor Temperature Feedback (with optional indoor sensor)
  • Manual Override
  • Includes outdoor sensor
  • Includes condensate sensor
  • Large LCD display
  • DHW tankless coil operation
  • 24 hour, 5-1-1, 7 day schedule
  • Two or four schedule events per day
  • Two alert level relays
  • CSA approved for use in USA and Canada

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Specs
Application:
Single Boiler
Stages:
1 Boiler
Width (Inches):
7-9/16"
Height:
6-5/8"
Programmability:
7 Day
24 Hour
5-1-1 Day
User Interface:
LCD
Push Button
Voltage:
115v
Depth (Inches):
2-13/16"
Ambient Conditions:
Indoor Only: 32°-122°F <90% RH Non-Condensing
Power Supply:
115V (ac)
Relays:
230 V (ac) 5 A 1/3 hp- pilot duty 240 VA
Temperature Range (F):
35°-100°F
Max Temp (F):
100°F
Min Temp (F):
35°F
Control:
Microprocessor PID control
Weight (lbs):
3.3 lbs
Demands:
20 to 260 V (ac) 2 VA
Sensors:
NTC Thermistor 10 k ohm @ 77°F
Output:
0-10 V (dc)
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