{"product_id":"rv-city-water-inlet-brass-black-flange-with-check-valve-34-nh-female-connection-to-12-npt-male-thread-black","title":"RV City Water Inlet - Brass Black Flange with Check Valve - 3\/4\" NH Female Connection to 1\/2\" NPT Male Thread (Black)","description":"\u003ch2\u003eRV City Water Inlet - Brass with Black Flange and Check Valve\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInlet connection: 3\/4\" NH (GHT) female swivel, accepts any standard US garden hose without adapters\u003c\/li\u003e\n\u003cli\u003eOutlet connection: 1\/2\" NPT male thread, connects directly to standard RV fresh water plumbing fittings\u003c\/li\u003e\n\u003cli\u003eIntegrated brass check valve prevents backflow from the RV's fresh water tank to the external hose connection; protects against contamination during disconnection\u003c\/li\u003e\n\u003cli\u003eValve body constructed from lead-free brass; safe for potable\/drinking water systems\u003c\/li\u003e\n\u003cli\u003eBlack mounting flange constructed from durable UV-resistant plastic; approximately 3\" diameter for standard surface-mount installation\u003c\/li\u003e\n\u003cli\u003eEasy-grip knob allows tool-free hose attachment and detachment\u003c\/li\u003e\n\u003cli\u003eIncludes press-in rubber dust cap to seal the inlet port and exclude debris, road grit, and insects when not connected to a water source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInlet thread: 3\/4\" NH (National Hose) \/ GHT female, swivel\u003c\/li\u003e\n\u003cli\u003eOutlet thread: 1\/2\" NPT male\u003c\/li\u003e\n\u003cli\u003eFlange diameter: approximately 3 inches\u003c\/li\u003e\n\u003cli\u003eFlange color: black\u003c\/li\u003e\n\u003cli\u003eValve body material: lead-free brass\u003c\/li\u003e\n\u003cli\u003eFlange material: UV-resistant plastic\u003c\/li\u003e\n\u003cli\u003eMounting: surface-mount, screw-flange style\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits most Class A, Class B, and Class C motorhomes; fifth-wheel and bumper-pull travel trailers; toy haulers; and camper vans with a standard 3\" round flange cutout\u003c\/li\u003e\n\u003cli\u003eCompatible with any RV or marine fresh water plumbing system using a 1\/2\" NPT female interior connection\u003c\/li\u003e\n\u003cli\u003eAccepts all standard US garden hoses with 3\/4\" GHT\/NH male fittings, no adapter required\u003c\/li\u003e\n\u003cli\u003eNot compatible with metric-threaded hose fittings or systems requiring a 1\/2\" NPT female exterior connection\u003c\/li\u003e\n\u003cli\u003eVerify existing flange cutout diameter and interior plumbing thread size before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWater leaks from the flange face, hose connection point, or interior plumbing fitting under normal city water pressure\u003c\/li\u003e\n\u003cli\u003eCheck valve no longer holds, water flows backward out of the inlet when the hose is disconnected\u003c\/li\u003e\n\u003cli\u003eFlange shows visible cracks, UV degradation, or brittleness that compromises the weather seal against the vehicle exterior\u003c\/li\u003e\n\u003cli\u003eHose threads are stripped or cross-threaded, preventing a secure hose connection\u003c\/li\u003e\n\u003cli\u003eDust cap is missing or no longer seals, allowing debris into the inlet port\u003c\/li\u003e\n\u003cli\u003eCorrosion or mineral buildup on the brass valve body restricts water flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShut off the city water supply and relieve any pressure in the RV's plumbing before removing the old inlet.\u003c\/li\u003e\n\u003cli\u003eDisconnect the interior 1\/2\" NPT plumbing line first, then unscrew or unclip the exterior flange from the vehicle sidewall.\u003c\/li\u003e\n\u003cli\u003eRemove all old sealant residue from the mounting surface before fitting the new flange, a clean surface is required for a watertight seal.\u003c\/li\u003e\n\u003cli\u003eApply PTFE (Teflon) thread seal tape to the 1\/2\" NPT male outlet threads before threading into the interior plumbing fitting; 2–3 wraps in the direction of thread engagement is sufficient.\u003c\/li\u003e\n\u003cli\u003eApply a continuous bead of non-leveling RV lap sealant or butyl tape around the back of the flange before pressing it against the vehicle wall; this creates the primary weather seal against moisture intrusion.\u003c\/li\u003e\n\u003cli\u003eSecure the flange with the provided screws, snug firmly but do not overtighten, as this can crack the flange or distort the sealant bead.\u003c\/li\u003e\n\u003cli\u003ePressurize the system and inspect all connection points: interior NPT joint, flange perimeter, and hose swivel — for leaks before closing the access panel or compartment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46274126643389,"sku":"AZ00235058","price":23.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00235058_1_bb1bdbe3-7f12-4ec4-94bd-4627ce31dbbb.jpg?v=1767694062","url":"https:\/\/bluestarspartstrend.com\/products\/rv-city-water-inlet-brass-black-flange-with-check-valve-34-nh-female-connection-to-12-npt-male-thread-black","provider":"BlueStars Parts","version":"1.0","type":"link"}