This valve is specifically designed as a safety shutoff valve for on-off control of fuel gas in commercial and industrial burners

It is specifically designed for the B series filter and regulator integral units

Maintain peak compressor reliability with the York S1-025-47272-000 Crankcase Heater

Versatile Application: Standardized part for several Forsaire and Magnum furnace configurations

Correct orifice sizing is critical for achieving the proper air-to-fuel ratio and preventing issues like delayed ignition or soot buildup

Conbraco AGD4A1 Air Gap Drain 319825-402 This valve is specifically designedThe 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