Siemens Building Technology QAH11.1 Sensor 30067439-890 The integrated V-3000-8012 pneumatic actuator

The integrated V-3000-8012 pneumatic actuator operates with a 3-6 psi spring range

or a "no cooling/no heating" call where the indoor blower runs but the outdoor unit fails to engage

The Bard HVAC 8607-014BX Terminal Block is a rugged

The integrated microcontroller allows for field-selectable manual override and multi-point calibration

Siemens Building Technology QAH11.1 Sensor 30067439-890 The integrated V-3000-8012 pneumatic actuatorThe Siemens Building Technology QAH11. 1 Sensor is a high precision NTC 3k Ohm thermistor designed for integration into commercial HVAC plants and fan coil units. Engineered to function as a return air temperature sensor or a changeover sensor, this passive device delivers accurate resistance signals within a 32 Degree Fahrenheit to 104 Degree Fahrenheit (0C to 40C) operating range. Featuring a 8' (Ft) cable length terminated with 2 wire ferrules, the