--- product_id: 557110724 title: "HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI)" brand: "hydro master" price: "€ 37.82" currency: EUR in_stock: true category: "Hydro Master" url: https://www.desertcart.pt/products/557110724-hydro-master-safety-relief-valve-with-3-4-inch-thread store_origin: PT region: Portugal --- # 3/4" NPT threaded inlet for universal fit Reliable 30 PSI pressure relief for safety Brass body + stainless steel spring for corrosion resistance HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) **Brand:** hydro master **Price:** € 37.82 **Availability:** ✅ In Stock ## Summary > 🛠️ Master your water safety with HYDRO MASTER — because pressure relief is non-negotiable! ## Quick Answers - **What is this?** HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) by hydro master - **How much does it cost?** € 37.82 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/557110724-hydro-master-safety-relief-valve-with-3-4-inch-thread) ## Best For - hydro master enthusiasts ## Why This Product - Trusted hydro master brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quick & Easy Installation:** Designed for hassle-free setup, saving you time and effort - • **Trusted Safety Compliance:** Meets ASME and CSA standards for peace of mind in every use - • **Universal 3/4" Threaded Fit:** Seamlessly integrates with most U.S. residential plumbing setups - • **Precision 30 PSI Pressure Relief:** Protects your system from dangerous overpressure with certified reliability - • **Durable Brass & Stainless Steel Build:** Engineered to resist corrosion and ensure long-lasting performance ## Overview The HYDRO MASTER Safety Relief Valve features a universal 3/4" NPT threaded inlet, a robust brass body paired with a stainless steel spring for superior corrosion resistance, and a precise 30 PSI pressure relief rating. Designed for easy installation and compliance with ASME and CSA standards, it ensures reliable protection for residential hot water systems. ## Description desertcart.com: HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) : Industrial & Scientific ## Features - 3/4" male NPT threaded inlet for connecting to a female NPT threaded connection. - ALL brass body and stainless steel spring for corrosion resistance. - Designed for protection against excessive pressure only - Universal 3/4" size is suitable for most U.S. residential usage. - Easy and fast installation. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CCJ7QZQ7 | | Best Sellers Rank | #10,746 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Relief Valves | | Brand Name | HYDRO MASTER | | Customer Reviews | 4.4 4.4 out of 5 stars (96) | | Exterior Finish | Brass, Stainless Steel | | Included Components | Relief Valve | | Inlet Connection Size | 3/4 inches | | Inlet Connection Type | National Pipe Tapered | | Item Dimensions | 3.2 x 1.6 x 1.8 inches | | Item Type Name | Relief Valve | | Item Weight | 7.2 ounces | | Manufacturer | HYDRO MASTER | | Manufacturer Part Number | 0571101 | | Material Type | Brass | | Maximum Pressure | 30 psi | | Model Number | 0571101 | | Number of Items | 1 | | Number of Ports | 2 | | Outlet Connection Size | 3/4 inches | | Outlet Connection Type | NPT Thread | | Size | 3/4 inches | | Specification Met | CSA | | Thread Size | 3/4 inches | | Thread Type | NPT | | Unit Count | 1 Count | | Valve Type | Pressure Relief Valve | ## Product Details - **Brand:** HYDRO MASTER - **Exterior Finish:** Brass, Stainless Steel - **Inlet Connection Size:** 3/4 inches - **Inlet Connection Type:** National Pipe Tapered - **Item dimensions L x W x H:** 3.2 x 1.6 x 1.8 inches - **Material:** Brass - **Maximum Operating Pressure:** 30 psi - **Number of Ports:** 2 - **Outlet Connection Size:** 3/4 inches - **Outlet Connection Type:** NPT Thread ## Images ![HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) - Image 1](https://m.media-amazon.com/images/I/61yQEgmVl8L.jpg) ![HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) - Image 2](https://m.media-amazon.com/images/I/41lJrQlbWnL.jpg) ![HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) - Image 3](https://m.media-amazon.com/images/I/419LDuODULL.jpg) ![HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) - Image 4](https://m.media-amazon.com/images/I/31EWrv7Y+QL.jpg) ![HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) - Image 5](https://m.media-amazon.com/images/I/41+jm2ClV9L.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) - Hydro Master Automatic Air Vent Valve 1/8 Inch Brass - Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030 --- ## 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.pt/products/557110724-hydro-master-safety-relief-valve-with-3-4-inch-thread](https://www.desertcart.pt/products/557110724-hydro-master-safety-relief-valve-with-3-4-inch-thread) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-05*