{"product_id":"reliance-pex-lined-electric-or-gas-water-heater-nipples-3-in-h-3-4-in","title":"Reliance PEX Lined Electric or Gas Water Heater Nipples 3 in. H 3\/4 in.","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eReliance PEX Lined Electric or Gas Water Heater Nipples — 3 in. Long, 3\/4 in. Diameter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Reliance nipples are purpose-built to connect your water heater to PEX piping with reliability and ease. The PEX-lined interior protects against mineral buildup and corrosion, helping maintain smooth flow and a tighter seal over time. With a compact 3-inch length and a 3\/4-inch diameter, they fit neatly into tight spaces while delivering a sturdy, long-lasting connection for both electric and gas water heater installations.\u003c\/p\u003e \u003ch3\u003eKey benefits that set these apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePEX-lined interior for enhanced durability: The lining helps resist mineral deposits and corrosion at the hot-water interface, supporting a longer service life for your connections.\u003c\/li\u003e \u003cli\u003eVersatile compatibility: Suitable for electric or gas water heaters and designed to work with standard 3\/4 in piping fittings, making it a practical upgrade for mixed-material plumbing systems.\u003c\/li\u003e \u003cli\u003eCompact, space-friendly design: The 3-inch length fits in tight utility spaces often found behind compact or retrofit water heater setups.\u003c\/li\u003e \u003cli\u003eRetail-ready packaging: Carded packaging protects the component and facilitates quick identification and handling in stores or during repairs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or repairing water heater connections in homes that utilize PEX piping, ensuring a clean transition from metal to PEX.\u003c\/li\u003e \u003cli\u003eRetrofits where you’re replacing aging nipples and want a more durable, corrosion-resistant interior lining.\u003c\/li\u003e \u003cli\u003eNew installations in residential projects that employ PEX distribution networks and require reliable, straightforward connections to the heater.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and maintenance\u003c\/h3\u003e\n\u003cp\u003eAs with any water heater connection, follow standard plumbing practices. Ensure mating fittings are clean and free of debris, and tighten to the manufacturer’s recommended torque to prevent leaks. After initial hot-water operation, check all joints for moisture and re-tighten if necessary. Periodic inspection of heater connections as part of routine maintenance helps catch issues early and preserve system integrity.\u003c\/p\u003e \u003cp\u003eChoose the Reliance PEX Lined Electric or Gas Water Heater Nipples when you need a durable, PEX-friendly solution that simplifies transitions to PEX piping while delivering dependable performance in both electric and gas water heater setups.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Reliance","offers":[{"title":"Default Title","offer_id":52201796894994,"sku":"4212437","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4212437_A.eps_High.jpg?v=1776380420","url":"https:\/\/nationalhardwaregroup.com\/products\/reliance-pex-lined-electric-or-gas-water-heater-nipples-3-in-h-3-4-in","provider":"National Hardware Group","version":"1.0","type":"link"}