the ASCO 8214G23 acts as the "bleed" valve

The Watts LF263A-1/4 utilizes an oversized orifice to maintain consistent downstream pressure between 1 and 25 PSI

Durable Construction: Built with a specialized silicone diaphragm and plated housing to withstand environments ranging from -40°F to 180°F

and 2212-418 series without the need for extensive repiping or bracket modifications

Johnson Controls HE-69130NP-0 Humidity Element 30067439-890 the ASCO 8214G23 acts asThe Johnson Controls HE 69130NP 0 is a high performance duct mounted humidity transmitter designed for precision monitoring in commercial HVAC systems. Engineered as a superior direct replacement sensor for legacy models HE 67N2 0N00P and HE 67N3 0N00P, this unit integrates a 3% relative humidity (RH) element with an onboard 1K Ohm Nickel RTD temperature sensor. Built with an all plastic plenum rated enclosure to enhance thermal isolation and response