Conbraco AGD4A1 Air Gap Drain R-407C and Payne part numbers LH33ZG001

and Payne part numbers LH33ZG001

Variable Performance: Multi-speed taps allow for fine-tuning airflow to meet specific ductwork static pressure requirements

This kit includes a high-integrity replacement diaphragm

This part typically includes the plate itself

Using genuine 0794059 replacement parts ensures the relief valve opens at the required differential pressure to prevent potential back-siphonage or backpressure

Conbraco AGD4A1 Air Gap Drain R-407C and Payne part numbers LH33ZG001The Conbraco AGD4A1 Air Gap Drain is a specialized plumbing component designed specifically for 1 2" to 1" Apollo RP4A series reduced pressure zone backflow preventers. This RP4A air gap drain serves the critical function of collecting minor nuisance discharges from the relief valve, preventing localized flooding while maintaining the required atmospheric break. Engineered from high impact materials, the AGD4A1 ensures that the RPZ valve drainage