{"product_id":"parts-to-your-door-51769-steam-gauge-4-in-1-4-mpt","title":"Parts to Your Door 51769 Steam Gauge 4 in 1\/4 Mpt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PARTS TO YOUR DOOR 51769 is a 4-inch compound steam gauge rated for 30 inches of mercury vacuum to 30 PSI, designed for use on steam boiler systems where both pressure and vacuum conditions must be monitored. The gauge features a 1\/4-inch male pipe thread (MPT) connection and a 4-inch dial face, making it easy to read in mechanical rooms and boiler installations. This type of compound gauge is standard equipment for steam heating systems and is installed by licensed plumbers, HVAC technicians, and boiler mechanics. It cross-references Peerless part number 99-0190.\u003c\/p\u003e\u003cp\u003eThis gauge is suited for residential and light commercial steam boiler applications where monitoring system pressure and vacuum is required during normal operation and service. It is a direct replacement for the Peerless 99-0190 and is used during routine boiler maintenance, new installations, and service calls on steam heating equipment. The 4-inch dial size provides clear readability in typical boiler room conditions.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4-inch dial face for clear, at-a-glance pressure and vacuum readings\u003c\/li\u003e\n\u003cli\u003eCompound range: 30 inches of mercury vacuum to 30 PSI\u003c\/li\u003e\n\u003cli\u003e1\/4-inch MPT bottom connection for standard pipe thread fitment\u003c\/li\u003e\n\u003cli\u003eCross-references Peerless part number 99-0190\u003c\/li\u003e\n\u003cli\u003eSuitable for steam boiler monitoring in residential and light commercial systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eThis gauge is listed as a replacement for Peerless part number 99-0190 and is designed as an OEM-style replacement for steam boiler gauge applications requiring a 4-inch compound gauge with 1\/4-inch MPT connection.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or qualified HVAC boiler technician. Shut down the boiler and relieve all system pressure before removing or installing the gauge. Use appropriate thread sealant rated for steam service on the 1\/4-inch MPT connection. Refer to local plumbing and mechanical codes for gauge replacement requirements on pressure vessels.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Size\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 1\/4 inch MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge Type\u003c\/strong\u003e: Compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Range\u003c\/strong\u003e: 30 in Hg vacuum to 30 psi\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PARTS TO YOUR DOOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 51769\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARTS TO YOUR DOOR","offers":[{"title":"Default Title","offer_id":51233640874290,"sku":"51769","price":142.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307633614.webp?v=1780105468","url":"https:\/\/voomisupply.com\/products\/parts-to-your-door-51769-steam-gauge-4-in-1-4-mpt","provider":"Voomi Supply","version":"1.0","type":"link"}