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

preventing hunting and providing a seat-to-orifice seal that maintains safety standards in industrial and commercial meter sets

25-inch lead wire for straightforward integration

this specific model is optimized for flange-mount duct or VAV applications

and hot gas lines within refrigeration and air conditioning systems

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