{"product_id":"value-collection-115al25vac-vacuum-gauge-2-5-in-dial","title":"Value Collection 115AL25VAC Vacuum Gauge 2.5 in Dial","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION 115AL25VAC is a glycerine-filled vacuum pressure gauge designed for monitoring negative pressure in plumbing, HVAC, and industrial service applications. It features a 2.5-inch analog dial with a measurement range of -30 to 0 inHg, providing clear readings under vacuum conditions. The stainless steel case resists corrosion and mechanical damage, while brass wetted parts and a bronze Bourdon tube make it suitable for a wide range of compatible media. Accuracy is rated at plus or minus 3-2-3 percent of scale. The glycerine fill dampens needle vibration and protects internal components from pressure spikes, improving readability in active systems.\u003c\/p\u003e\u003cp\u003eThis gauge is suited for residential and light commercial HVAC, refrigeration evacuation monitoring, plumbing system diagnostics, and general vacuum service work. The lower mount configuration with a 0.25-inch NPT threaded connection fits standard gauge ports on manifolds, vacuum pumps, and piping assemblies. Licensed HVAC technicians and plumbers are the primary installers, though experienced service professionals in adjacent trades also use this gauge type for system verification and troubleshooting.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eGlycerine-filled case dampens needle vibration and extends gauge service life in pulsating systems\u003c\/li\u003e\n\u003cli\u003eStainless steel case provides corrosion resistance in wet or humid environments\u003c\/li\u003e\n\u003cli\u003eBrass wetted parts and bronze Bourdon tube for durable media contact\u003c\/li\u003e\n\u003cli\u003e2.5-inch analog dial for clear on-site readability\u003c\/li\u003e\n\u003cli\u003eLower mount 0.25-inch NPT connection fits standard vacuum and plumbing gauge ports\u003c\/li\u003e\n\u003cli\u003ePlus or minus 3-2-3 percent of scale accuracy across the full measurement range\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard lower-mount NPT vacuum gauge suitable for use with vacuum pumps, manifold sets, and piping systems that accept a 0.25-inch NPT gauge port connection.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC technician or plumber following applicable local codes and IFGC or IPC guidelines as appropriate. Isolate and depressurize the system before removing or installing any gauge. Apply thread sealant rated for the service media to the NPT threads, but avoid over-tightening, which can crack the gauge body. Do not exceed the rated vacuum range; exposing this gauge to positive pressure above its design limits will damage the Bourdon tube.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Range\u003c\/strong\u003e: -30 to 0 inHg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: plus or minus 3-2-3 percent of scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Type\u003c\/strong\u003e: Analog\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Diameter\u003c\/strong\u003e: 2.5 inches (63.55 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Lower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWetted Parts Material\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBourdon Tube Material\u003c\/strong\u003e: Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiquid Filled\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiquid Fill Type\u003c\/strong\u003e: Glycerine and Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.3 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 115AL25VAC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51689021112626,"sku":"115AL25VAC","price":27.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ef21dfa9e59de555329fc5b63b96655d.jpg?v=1788253939","url":"https:\/\/voomisupply.com\/products\/value-collection-115al25vac-vacuum-gauge-2-5-in-dial","provider":"Voomi Supply","version":"1.0","type":"link"}