--- product_id: 99749253 title: "John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack" brand: "jg speedfit" price: "€ 175.03" currency: EUR in_stock: true url: https://www.desertcart.it/products/99749253-john-guest-speedfit-psei6012u9-push-fit-female-connector-reducing-coupling store_origin: IT region: Italy --- # Tool-free push-fit ease Twist-lock leak-proof seal FDA & NSF certified safety John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack **Brand:** jg speedfit **Price:** € 175.03 **Availability:** ✅ In Stock ## Summary > 🔧 Snap, seal, and forget—plumbing made effortlessly professional! ## Quick Answers - **What is this?** John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack by jg speedfit - **How much does it cost?** € 175.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/99749253-john-guest-speedfit-psei6012u9-push-fit-female-connector-reducing-coupling) ## Best For - jg speedfit enthusiasts ## Why This Product - Trusted jg speedfit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk 10-Pack Value:** Stock up and stay ahead with a convenient multi-pack for all your projects - • **Behind-the-Wall Ready:** Approved for permanent, hidden installations with a reliable twist-lock 🔗 - • **Instant Push-Fit Connection:** No tools needed—snap and secure in seconds ⚡ - • **Durable Chemical-Resistant Build:** Polypropylene ensures long-lasting, odorless, tasteless performance - • **Certified Safe for Drinking Water:** FDA-compliant and NSF 61/51 approved for peace of mind 🛡️ ## Overview The John Guest Speedfit PSEI6012U9 is a 10-pack of push-fit female reducing couplings (3/8 OD x 9/16 UNEF) made from durable polypropylene. Designed for quick, tool-free installation, these fittings are FDA-compliant, NSF certified, and approved for permanent behind-the-wall use with a secure twist-lock mechanism, ensuring leak-free, chemical-resistant connections ideal for professional and home plumbing projects. ## Description John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack ## Features - NO TOOLS REQUIRED: Push-to-connect fittings provide a simple, quick, reliable, leak-free connection with no tools required - DURABILITY: Provides excellent chemical resistance - SAFE: FDA-compliant material; NSF 61 and 51 certified - SECURE: Approved for behind-the-wall applications as a permanent leak-free connection. Twist and lock feature. - QUALITY: durable, odorless, tasteless, and non-toxic ## Technical Specifications | Specification | Value | |---------------|-------| | Material | Polypropylene | | Brand | JG Speedfit | | Color | White | | Item dimensions L x W x H | 1.51 x 0.8 x 0.8 inches | | Connector Type | Coupling | | Thread Size | 3/8 | | Thread Type | UNEF | | Item Weight | 0.04 Pounds | | Number of Pieces | 10 | | Global Trade Identification Number | 00665628043275 | | Manufacturer | Reliance Worldwide Corporation | | UPC | 665628043275 | | Part Number | PSEI6012U9 | | Item Weight | 0.592 ounces | | Product Dimensions | 1.51 x 0.8 x 0.8 inches | | Item model number | PSEI6012U9 | | Installation Method | Push-Connect | | Item Package Quantity | 1 | | Measurement System | inch | | Included Components | Bag of 10 Fittings | | Batteries Required? | No | | Warranty Description | 12 Months | ## Product Details - **Material:** Polypropylene - **Brand:** JG Speedfit - **Color:** White - **Item dimensions L x W x H:** 1.51 x 0.8 x 0.8 inches - **Connector Type:** Coupling - **Thread Size:** 3/8 - **Thread Type:** UNEF - **Item Weight:** 0.04 Pounds - **Number of Pieces:** 10 - **Global Trade Identification Number:** 00665628043275 ## Images ![John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack - Image 1](https://m.media-amazon.com/images/I/513lIqE6VjL.jpg) ![John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack - Image 2](https://m.media-amazon.com/images/I/51qIlQou8dL.jpg) ![John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack - Image 3](https://m.media-amazon.com/images/I/51+LwePIu8L.jpg) ![John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack - Image 4](https://m.media-amazon.com/images/I/51suMJHdEJL.jpg) ![John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack - Image 5](https://m.media-amazon.com/images/I/51ae66QFt5L.jpg) ## Frequently Bought Together - John Guest Speedfit PSEI6012U9 Push-fit Female Connector Reducing Coupling, 3/8 OD x 9/16 UNEF, 10-Pack - Ideal H2O JG Quick Connect Fitting - 3/8 in to 3/8 in NPTF - White (10/Bag) - John Guest PP011224W Male Connector, 3/8" OD x 1/2" NPTF (Pack of 10) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/99749253-john-guest-speedfit-psei6012u9-push-fit-female-connector-reducing-coupling](https://www.desertcart.it/products/99749253-john-guest-speedfit-psei6012u9-push-fit-female-connector-reducing-coupling) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-05-08*