35" WC to meet the strict safety parameters of high-efficiency two-stage furnaces

The Belimo ECON-ZIP-DDTF is designed to work with 2-10VDC or 4-20mA modulating actuators

specifically the PUZ-A12NKA7

simplified adjustable range stops for balancing

this unit is engineered for 120V AC primary input only

Siemens Building Technology QPA2060D Sensor mario 35" WC to meet theThe Siemens QPA2060D is a dual function room air quality sensor engineered for precise demand controlled ventilation (DCV) in commercial HAVC systems. Utilizing infrared absorption technology (NDIR) for CO2 monitoring, this unit delivers a stable 0 10Vdc output signal across a detection range of 0 2000 PPM. The integrated temperature sensing capabilities allow for simultaneous climate monitoring, reducing the need for multiple wall mounted devices.