Most York furnace orifices have the physical size or part number stamped on the brass casing for quick identification during field maintenance

The Lennox X6673 is identical to part number X667301 and serves as a direct OEM replacement for the HCC20-28 cabinet

M1-M2 and M3-M4)

Protect your compressed air system

Maxitrol uses color-coded springs to signify specific pressure ranges

Weil McLain 510-218-100 Gauge Els PW 17895 Most York furnace orifices haveThe Weil McLain 510 218 100 Gauge is a critical instrument for monitoring system conditions in low pressure steam heating applications. This combination pressure vacuum gauge features a large, easy to read 4 1 2 inch dial face, providing technicians with clear visibility for precise diagnostics on commercial and residential boiler systems. Engineered with a dual scale range of 0 30 PSIG for positive pressure and 0 30" Hg for vacuum measurement, this