Advanced Distributor Products 176799984 Piston Orifice 318423-701 This industrial hot water relief

This industrial hot water relief valve is the professional standard for large-scale hydronic applications requiring high-volume discharge capacities and reliable reseating performance

Using it on non-specified brands may result in improper trip timing

including TAM7 and 4TEE air handler series

the Rheem-Ruud 42-21593-02 Sequencing Relay functions as a critical OEM control component

System Protection: Acts as a primary safety to prevent air and moisture from being drawn into the system during a leak

Advanced Distributor Products 176799984 Piston Orifice 318423-701 This industrial hot water reliefThe Advanced Distributor Products 176799984 Piston Orifice is a high precision HVAC expansion device engineered to regulate refrigerant flow within your cooling system. Specifically designed as a #84 R22 piston orifice, this critical component ensures the optimal pressure drop required for efficient heat exchange. As a direct replacement for 100000045, this orifice provides a seamless fit for compatible ADP and Lennox evaporator coils, restoring