Editorial Reviews:
Product Description
The TekmarNet+4 thermostat 542 operates one stage of heating equipment. The 542 can operate as a stand alone device, or communicate with a group of tekmarNet+4 thermostats. - Control + Microprocessor PID control; This is not a safety (limit) control
- Packaged weight + 0.47 lb. (213 g), Enclosure J, white PVC plastic
- Dimensions + 2-7/8" H x 2-7/8" W x 13/16" D (73 x 73 x 21 mm)
- Approvals + CSA C US, CSA/UL 61010-1, meets Class B: ICES and FCC Part 15
- Ambient Conditions + Indoor use only, 32 to 122+F (0 to 50+C). RH less than or equal to 80% to 88+F (31+C), down to 50% from 104 to 122+F (40 to 50+C)- Altitude <2000 m, Installation Category II, Pollution Category 2
- Power Supply + 24 V (ac) + 10% 60 Hz, 3.5 VA, NEC / CEC Class 2
- W1 Relay + 24 V (ac) 2 A
- Sensors + NTC thermistor, 10 k-Ohm @ 77+F (25+C +0.2+C) +=3892, Included Sensor + None, Optional + tekmar type #:071, 070, 072, 073, 076, 077, 078, 079
- Programmability: Up to 7 Day Programmable
- Application: Gas, Oil or Electric; Heat Pump; Radiant Heat
- Color: White
- User Interface: Soft Key
- Power Method: Hardwired
- Stages: 1 Heat
- Mounting: Horizontal
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