{"product_id":"dwyer-markii-26-incline-manometer-15-psi-plastic","title":"Dwyer Markii 26 Incline Manometer 15 Psi Plastic","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe DWYER MARKII 26 is an incline manometer designed to measure low differential pressures in HVAC, combustion analysis, and air balancing applications. Housed in a plastic case with a steel body, it reads up to 15 psi with a stated accuracy of 3 percent. The 7-inch water column range makes it well suited for duct static pressure testing, filter pressure drop verification, and similar low-pressure fieldwork. Licensed HVAC technicians and air balancing professionals are the primary installers and users of this instrument. The unit ships with 8 feet of flexible double-column plastic tubing for immediate use.\u003c\/p\u003e\n\u003cp\u003eThe MARKII 26 is used in residential and light commercial HVAC service, particularly for tasks requiring reliable low-range differential pressure readings. Typical applications include supply and return duct pressure measurement, combustion appliance draft verification, and airflow troubleshooting. The incline tube configuration improves readability at low pressure differentials compared to a standard vertical manometer. Screw-mount capability allows the instrument to be secured to a surface for hands-free readings during extended testing.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e15 psi maximum operating pressure with 3 percent accuracy rating\u003c\/li\u003e\n  \u003cli\u003e7-inch water column measurement range for low-pressure differential work\u003c\/li\u003e\n  \u003cli\u003eIncline tube design improves readability at low-range readings\u003c\/li\u003e\n  \u003cli\u003ePlastic case construction for lightweight field use\u003c\/li\u003e\n  \u003cli\u003eSteel body provides structural durability\u003c\/li\u003e\n  \u003cli\u003eIncludes 8 feet of flexible double-column plastic tubing\u003c\/li\u003e\n  \u003cli\u003eScrew-mount capability for stationary or panel installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style field instrument for use in residential and light commercial HVAC low-pressure differential measurement applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use should be performed by a qualified HVAC technician familiar with low-pressure measurement instruments. Isolate or shut down the system being tested before connecting pressure tubing to avoid sudden pressure surges that could damage the instrument. Ensure tubing connections are seated fully and free of kinks before taking readings. Reference applicable ASHRAE or mechanical code guidelines when performing air balancing or combustion testing.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Operating Pressure\u003c\/strong\u003e: 10 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Rated Pressure\u003c\/strong\u003e: 15 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 3 percent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRange\u003c\/strong\u003e: 7 inches water column\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Temperature\u003c\/strong\u003e: 140 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Location\u003c\/strong\u003e: Incline\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Material\u003c\/strong\u003e: Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: 8 feet of flexible double-column plastic tubing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.0625 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: DWYER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MARKII 26\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DWYER","offers":[{"title":"Default Title","offer_id":51540973781298,"sku":"MARKII 26","price":431.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/40bbfd47bd44d9f15fffa01478943a9c.jpg?v=1785866829","url":"https:\/\/voomisupply.com\/products\/dwyer-markii-26-incline-manometer-15-psi-plastic","provider":"Voomi Supply","version":"1.0","type":"link"}