Backflow Prevention in Ontario - backflow devices
Tekmar Snow Melting Control, Microprocessor Control, Sensor Type: NTC Thermistor, 10 kΩ at 77 deg F, Modulating Output: 0 - 10 VDC, 500 Ohm Minimum Load Impedance, 4-20 mA 1 kOhm Maximum Load Impedance, Power Supply: 24 VAC, 60 Hz, Class 2, 16 VA Standby, 100 VA FullyLoaded, 24 VAC, 2 A, 3.6 A Combined Capacity, Enclosure: White PVC Plastic, NEMA Type 1, 5 Inch Height x 3-1/4 Inch Width x 15/16 Inch Depth, Includes: Outdoor Sensor 070, Universal Sensor 082, Suitable For Use With: A654-1 Electrical Single Zone with Boiler, A654-2 Mechanical Single Zone with Boiler and Tandem Snow / Ice Sensors, A654-2 Electrical Single Zone with Boiler and Tandem Snow / Ice Sensors, A654-3 Mechanical Single Zone with Modulating Steam Valve, A654-3 Electrical Single Zone with Modulating Steam Valve, A654-4 Mechanical Single Zone Mixing with Space Heating & DHW