Ashcroft 1009SW 3½" Stainless Steel Ammonia Pressure Gauge is a stainless-steel‑case gauge designed for ammonia and refrigeration service, offering a 0–150 psi pressure range and a legible 3.5‑inch dial for quick readings in demanding environments. This model is part of the Ashcroft 1009 family, built for durability in industrial settings and explicitly specified for ammonia and refrigeration applications. Common uses include monitoring pressure in ammonia refrigeration systems, chillers, and other equipment where corrosion resistance and robust construction are important.
