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there are two 1/4" NPT ports available for mounting a standard pneumatic pressure gauge
this valve is often utilized in R-407C retrofits where pressures are comparable
the SPDT switch is designed to handle common industrial voltages
Industrial Grade Materials: Constructed with professional-grade chrome steel for improved wear resistance and extended service life
Designed with a high-capacity 3/4" NPT inlet and outlet
Siemens Building Technology QPA2062 Sensor 320788-702 there are two 1/4" NPTThe Siemens Building Technology QPA2062 Sensor is a multi parameter room air quality sensor engineered for high demand HVAC and building automation systems. Built for professional grade reliability, this unit integrates a Non Dispersive Infrared (NDIR) CO2 gas sensor with active temperature and relative humidity monitoring to facilitate precision Demand Controlled Ventilation (DCV). The 0 2000 ppm CO2 measuring range provides a stable 0 10V or 4 20mA
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