Whether you are servicing a 909-RT-3/4 or 909-RT-1 model

3/8" outlet) and the specific right-side orientation which is critical for alignment with existing manifold piping

making it suitable for heat pump systems that require consistent metering in both heating and cooling modes

This model is an essential component for contractors maintaining legacy pneumatic infrastructure or installing new energy-efficient Johnson Controls T-4000 series pneumatic systems

Is this valve suitable for high-pressure refrigerants

Sensus 143-IRV-HP-1 Regulator Freon Whether you are servicing aThe Sensus 143 IRV HP 1 is a heavy duty industrial gas pressure regulator engineered for precise delivery in high pressure applications. Built with a rugged cast iron body and a 1" NPT connection, this model utilizes a 1 2" aluminum orifice to handle significant flow volumes. The integrated internal relief valve (IRV) provides essential overpressure protection, making it a reliable choice for natural gas, LP gas, and other non corrosive technical