P/N: 256 Key Specs
Item
ONE STAGE BOILER CONTROL REPLACES 253 250
Condition
New OEM Original
Applicable Standard
UL, CAS (Canada and US)
Application
Indoor, 1-Zone to Multiple Zone Fan Coil and Baseboard
Inclusions Features
10 Kilo Ohm at 77 Deg F NTC Thermistor, Outdoor/Universal Sensor
Input Supply Rating
24 Volt AC 50/60 Hertz 3 Volt Amp
Temperature Rating
32 to 104 Deg F