{"product_id":"ashcroft-601379ss04lxll30imv300-compound-pressure-gauge","title":"Ashcroft 601379SS04LXLL30IMV300 Compound Pressure Gauge","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ASHCROFT 601379SS04LXLL30IMV300 is an analog compound pressure gauge designed for measuring both vacuum and positive pressure in a single instrument. It features a 6-inch dial with a range of -30 to 300 psi and delivers 0.5% of scale accuracy, making it suitable for applications where precise pressure monitoring is required. The aluminum case keeps overall weight low at 3.13 pounds, while stainless steel wetted parts provide corrosion resistance in contact with process media. This gauge is installed by licensed plumbers, HVAC technicians, pipefitters, and industrial maintenance professionals.\u003c\/p\u003e\n\u003cp\u003eThis gauge is suited for residential and commercial HVAC systems, plumbing and hydronic systems, compressed air lines, and light industrial process piping where both vacuum and positive pressure readings are needed at a single measurement point. The lower-mount configuration with a 1\/2-inch thread connection allows direct installation into pipe taps, manifolds, or system test ports. The non-liquid-filled design keeps the instrument straightforward for standard dry-service environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCompound pressure range: -30 to 300 psi, readable on a single analog dial\u003c\/li\u003e\n  \u003cli\u003e0.5% of scale accuracy for reliable process monitoring\u003c\/li\u003e\n  \u003cli\u003e6-inch dial diameter for clear readability at a distance\u003c\/li\u003e\n  \u003cli\u003eStainless steel wetted parts resist corrosion from process media\u003c\/li\u003e\n  \u003cli\u003eAluminum case reduces overall instrument weight\u003c\/li\u003e\n  \u003cli\u003eLower-mount, 1\/2-inch threaded connection for direct pipe installation\u003c\/li\u003e\n  \u003cli\u003eNon-liquid-filled construction suitable for standard dry-service applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style or replacement analog compound pressure gauge for HVAC, plumbing, hydronic, compressed air, and light industrial piping systems requiring a lower-mount, 1\/2-inch threaded connection with a 6-inch dial.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified technician. Depressurize and isolate the system completely before removing any existing gauge or fitting. Apply thread sealant or PTFE tape appropriate for the service media to the 1\/2-inch male threads before installation. Do not overtighten the threaded connection; use a wrench on the hex fitting, not the gauge case, to avoid damage to the Bourdon tube or dial.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Range\u003c\/strong\u003e: -30 to 300 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.5% of scale\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDial Diameter\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDial Type\u003c\/strong\u003e: Analog\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Lower\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWetted Parts Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Material\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiquid Filled\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 3.13 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ASHCROFT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 601379SS04LXLL30IMV300\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ASHCROFT","offers":[{"title":"Default Title","offer_id":51544657264946,"sku":"601379SS04LXLL30IMV\u0026300#","price":693.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/95f8bcdc83bc5f5350f7bcbd810e2402_e78a5daf-0dc2-414f-b94e-dd9b60d2e0d9.jpg?v=1785932736","url":"https:\/\/voomisupply.com\/products\/ashcroft-601379ss04lxll30imv300-compound-pressure-gauge","provider":"Voomi Supply","version":"1.0","type":"link"}