Tekmar 150 Control - Setpoint One Stage Features: Digital display Heat or Cool Setpoint Control Normally open AND normally closed relay Pulse Width Modulation Control Specifications: Packaged Weight - 1.0lb Control - Microprocessor control. This is not a safety (limit) control Dimensions - 4-3/4" H x 2-7/8" W x 7/8" D (120 x 74 x 22 mm) Enclosure - White PVC plastic, NEMA type 1 Approvals - CSA C US, meets class B: ICES & FCC Part 15 Ambient Conditions - Indoor use only, -20 to 120°F (-30 to 50°C), RH ≤90% Non-condensing Power Supply - 24 V (ac) ±10%, 50/60 Hz, 1.3 VA, 24 V (dc) ±10%, 0.02 A Relay - 240 V (ac) 8 A max, 1/4 hp Sensor - NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 Included - Universal Sensor 071 Optional - tekmar type #: 071, 078, 082 Warranty - Limited 3 Year Warranty Installation Manual