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This industrial hot water relief valve is the professional standard for large-scale hydronic applications requiring high-volume discharge capacities and reliable reseating performance
including TAM7 and 4TEE air handler series
ensuring compatibility with specific York air handlers and cased coils without the need for extensive field modifications
preventing common combustion errors like INFO #6 32 lockouts
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