--- product_id: 212780688 title: "CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core" brand: "cmi" price: "696.57 DT" currency: TND in_stock: true reviews_count: 5 category: "Cmi" url: https://www.desertcart.tn/products/212780688-cmi-inc-3-4-inch-tankless-water-heater-isolation-service store_origin: TN region: Tunisia --- # Includes pressure relief valve for safety 3/4 inch NPT thread size Brass construction, low lead compliant CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core **Brand:** cmi **Price:** 696.57 DT **Availability:** ✅ In Stock ## Summary > 🚿 Upgrade your flow, install with confidence! ## Quick Answers - **What is this?** CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core by cmi - **How much does it cost?** 696.57 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/212780688-cmi-inc-3-4-inch-tankless-water-heater-isolation-service) ## Best For - cmi enthusiasts ## Why This Product - Trusted cmi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Integrated pressure relief valve prevents backflow and protects your system from overpressure. - • **Premium Durability:** Crafted from industry-standard brass ensuring long-lasting, corrosion-resistant performance. - • **Eco-Conscious Packaging:** Minimal plastic use and no styrofoam, aligning with sustainable home improvement values. - • **Effortless Installation:** Comes with free Teflon tape and quick-connect valves for a seamless setup on gas or electric systems. - • **Universal Compatibility:** Designed to fit major tankless water heater brands, including propane and natural gas models. ## Overview The CMI Inc 3/4 Inch Tankless Water Heater Isolation Service Valve Flush Kit is a brass, low-lead compliant plumbing solution designed for easy installation and maintenance of gas and electric tankless water heaters. Featuring a pressure relief valve and universal compatibility, it ensures safety, durability, and efficient water flow management for residential and commercial applications. ## Description Kahenian has been providing high-quality Tankless Water Heater Kits for over 5 years. Each item is reviewed to make sure they meet and conform to industry standards. They go hand-in-hand with any home renovation project and are excellent if you want to improve the overall water flow of your Tankless Water Heaters. Know that when you purchase from Kahenian you can buy with confidence. Review: Good quality, easy install works well Review: This is exactly as described, it arrived as promised, appears to be well made, and a good value for the money I just wish they would put a packing slip in the package. This came in the manufacturers packaging 👍 Limited or no single use plastic 👍 No polystyrene foam packing (styrofoam) 👍👍 ## Features - EASY INSTALLATION: This 3/4 inch tankless water heater flush kit includes (1) Hot Valve, (1) Cold Valve, and (1) Pressure Relief Valve. Comes with FREE Teflon Seal Tape, ensuring a smooth installation for both gas and electric systems. - INDUSTRY-STANDARD MATERIAL: Crafted from high-quality brass, this tankless water heater isolation valve meets low lead requirements, providing durability and safety for both residential and commercial settings. - QUICK CONNECTION: The Pressure Relief Valve is included for easy integration with the hot valve, allowing for efficient installation and maintenance. Ideal for flushing and preventing backflow in your water heater system. - WIDE COMPATIBILITY: Suitable for major tankless water heater brands. This valve setup works with various models, including propane and natural gas units. - WE ARE CHARMAN MANUFACTURING: Charman has provided high-quality Pipe,Valve,Fitting products nationwide since 2006.We have been supplying PVF products and related items for residential, commercial, and industrial applications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07WZW336B | | Brand | CMI | | Customer Reviews | 4.6 4.6 out of 5 stars (215) | | Exterior Finish | Brass | | Inlet Connection Size | 0.75 Inches | | Inlet Connection Type | Press | | Manufacturer | Kahenian GFIDC International | | Material | Brass | | Model Number | 3005IPS | | Number of Ports | 2 | | Outlet Connection Size | 0.75 Inches | | Outlet Connection Type | FNPT | | Size | 3/4" | | Specification Met | ANSI, NSF, UPC | | Thread Size | 3/4 inch NPT | | Thread Type | NPT | | UPC | 847877053032 847877052967 | | Unit Count | 1.0 count | | Valve Type | Pressure Relief Valve | ## Product Details - **Brand:** CMI - **Exterior finish:** Brass - **Inlet connection size:** 0.75 Inches - **Inlet connection type:** Press - **Manufacturer:** Kahenian GFIDC International - **Material:** Brass - **Number of ports:** 2 - **Outlet connection size:** 0.75 Inches - **Outlet connection type:** FNPT - **Specification met:** ANSI, NSF, UPC ## Images ![CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core - Image 1](https://m.media-amazon.com/images/I/715ImnVeSdL.jpg) ![CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core - Image 2](https://m.media-amazon.com/images/I/71l2+WO61xL.jpg) ![CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core - Image 3](https://m.media-amazon.com/images/I/81c3jysQ3KL.jpg) ![CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core - Image 4](https://m.media-amazon.com/images/I/716wL9PjZUL.jpg) ![CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core - Image 5](https://m.media-amazon.com/images/I/81o4zvGzSlL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***R on 2 October 2025* Good quality, easy install works well ### ⭐⭐⭐⭐⭐ Review *by K***W on 5 February 2025* This is exactly as described, it arrived as promised, appears to be well made, and a good value for the money I just wish they would put a packing slip in the package. This came in the manufacturers packaging 👍 Limited or no single use plastic 👍 No polystyrene foam packing (styrofoam) 👍👍 ### ⭐⭐⭐⭐⭐ Review *by P***S on 10 December 2024* I installed this on my tankless water heater and its working well so far. Zero leaks, was easy to install, and I love the included pressure gauge. I've always wanted to check what pressure I was at and this made it easy to confirm. ## Frequently Bought Together - CMI Inc - 3/4 Inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve – Female to Female Connection – Flush Kit for Gas & Electric Models, PEX Core - Rheem 18kW 240V Tankless Electric Water Heater, Gray - HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass --- ## 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.tn/products/212780688-cmi-inc-3-4-inch-tankless-water-heater-isolation-service](https://www.desertcart.tn/products/212780688-cmi-inc-3-4-inch-tankless-water-heater-isolation-service) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-22*