--- 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: "₱2654" currency: PHP in_stock: true reviews_count: 13 category: "Hydro Master" url: https://www.desertcart.ph/products/557110724-hydro-master-safety-relief-valve-with-3-4-inch-thread store_origin: PH region: Philippines --- # 3/4" NPT universal thread Brass & stainless steel durability 30 PSI max pressure safety HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water (30 PSI) **Brand:** hydro master **Price:** ₱2654 **Availability:** ✅ In Stock ## Summary > 🛠️ Protect your home’s pressure like a pro—effortless safety, zero compromises! ## 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?** ₱2654 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/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 fast replacement—get your system back up and running in minutes, no plumber needed. - • **Trusted Industry Standard:** CSA certified and ranked top 5 in relief valves, ensuring professional-grade safety and quality. - • **Precision 30 PSI Pressure Relief:** Protects your system by safely releasing excess pressure, preventing costly damage. - • **Universal 3/4" Thread Compatibility:** Fits seamlessly with most U.S. residential plumbing setups for hassle-free upgrades. - • **Robust Brass Body & Stainless Steel Spring:** Engineered for long-lasting corrosion resistance and reliable performance under pressure. ## Overview The HYDRO MASTER Safety Relief Valve features a universal 3/4" NPT threaded inlet, a durable brass body with a stainless steel spring for corrosion resistance, and a 30 PSI pressure rating. Designed for quick installation and reliable protection against excessive pressure, it meets CSA standards and is a top-ranked choice for residential water heater safety. ## Description Product description HYDRO MASTER Safety Relief Valve With 3/4 Inch Thread 30 PSI ASME Hot Water Hydro master 3/4" safety relief valve is ASME rated to 30psi and 510,000 btu/hr, with end connection meet the request of NPT: ANSI/ASME B1.20.1. Relief valves remove excess pressure or vacuum from a system. protection from over-pressure conditions likely to occur as a result of thermal expansion. The integreated drain valve with brass safety cap providing easy maintenance, it also has full port ball valve for better flow rate. Universal 3/4" size is suitable for most U.S. residential usage. Easy and fast installation. Brand: HYDRO MASTER Model: 0571101 Color: Brass Connection: 3/4" MNPT x 3/4" FNPT ## 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 | #12,203 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Relief Valves | | Brand | HYDRO MASTER | | Brand Name | HYDRO MASTER | | Customer Reviews | 4.4 out of 5 stars 84 Reviews | | 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 | | Item dimensions L x W x H | 3.2 x 1.6 x 1.8 inches | | Manufacturer | HYDRO MASTER | | Manufacturer Part Number | 0571101 | | Material | Brass | | Material Type | Brass | | Maximum Pressure | 30 Pound per Square Inch | | Model Number | 0571101 | | Number of Ports | 2 | | Outlet Connection Size | 3/4 Inches | | Outlet Connection Type | NPT Thread | | Specification Met | CSA | | Thread Type | NPT | | Unit Count | 1.0 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 Pound per Square Inch - **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/61yARYN7GkL.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/51fl9FhWNsL.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/61dXjilBXzL.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/61v6dqjXNfL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***N on March 29, 2026* ### ⭐⭐⭐⭐⭐ Review *by W***N on August 28, 2025* ### ⭐⭐⭐⭐⭐ Review *by M***A on January 17, 2026* ## 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.ph/products/557110724-hydro-master-safety-relief-valve-with-3-4-inch-thread](https://www.desertcart.ph/products/557110724-hydro-master-safety-relief-valve-with-3-4-inch-thread) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-06-02*