Johnson Controls P499ACS-404 Pressure Transducer 318172-701 Reliable Exhaust Venting: Hardened housing

Reliable Exhaust Venting: Hardened housing resists corrosion from acidic condensate found in high-efficiency condensing boilers and water heaters

The Carrier HN61KK040 Relay is a heavy-duty 24V 2PDT power relay engineered for precise control circuit switching in residential and light commercial HVAC systems

Designed to maintain system equilibrium and protect the compressor from liquid slugging

the QPA2000 room sensor is built for quick installation by contractors working on LEED-certified buildings or standard office environments

Johnson Controls P499ACS-404 Pressure Transducer 318172-701 Reliable Exhaust Venting: Hardened housingThe Johnson Controls P499ACS 404 is a high precision electronic pressure transducer engineered for demanding commercial refrigeration and HVAC applications. It features a rugged 17 4PH stainless steel construction with a single piece machined pressure port, eliminating internal O rings or welds to ensure a leak proof seal against standard and A2L A3 refrigerants. This specific model provides a 4 to 20 mA output signal and is calibrated for a 0 to 30