--- product_id: 78497744 title: "Sea Tech (0121325 1/2\" Temperature and Pressure Relief Valve" brand: "sea tech" price: "S$74" currency: SGD in_stock: true category: "Sea Tech" url: https://www.desertcart.sg/products/78497744-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve store_origin: SG region: Singapore --- # All brass body with stainless steel spring Thermo-bonded mineral-resistant coating 150 PSI max pressure Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve **Brand:** sea tech **Price:** S$74 **Availability:** βœ… In Stock ## Summary > πŸ”₯ Stay cool under pressure with Sea Tech’s fail-safe valve! πŸ›‘οΈ ## Quick Answers - **What is this?** Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve by sea tech - **How much does it cost?** S$74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/78497744-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve) ## Best For - sea tech enthusiasts ## Why This Product - Trusted sea tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **High BTU Capacity:** Handles up to 15,000 BTU for 1/2 inch valve, perfect for efficient systems - β€’ **Lead-Free Assurance:** Safe, compliant, and eco-conscious plumbing solution - β€’ **Durable Build Quality:** All brass body paired with a corrosion-resistant stainless steel spring ensures longevity - β€’ **Mineral Deposit Defense:** Unique thermo-bonded coating prevents clogging and extends valve life - β€’ **Precision Pressure Control:** Preset at 150 PSI for reliable safety performance ## Overview The Sea Tech 1/2" Temperature and Pressure Relief Valve is a lead-free, all-brass safety valve preset at 150 PSI, featuring a stainless steel spring and a unique thermo-bonded coating to resist mineral buildup. Rated for 15,000 BTU, it ensures precise, reliable pressure relief for your plumbing system, combining durability with advanced protection to keep your setup safe and efficient. ## Description Temperature and Pressure Relief Valve - Self-closing temperature and pressure relief valves. All brass body. Stainless steel spring. Thermostat is positive, accurate and proven. A unique thermostat with special thermo-bonded protective coating to prevent accumulations of mineral deposits. Valves are preset at 150 pounds. The 1/2 inch valve has a 15,000 BTU rating; the 3/4 inch is 80,000 BTU. 1/2 inch Relief Valve, Lead Free. ## Features - Temperature and Pressure Relief Valve - Self-closing temperature and pressure relief valves - All brass body; 150 PSI - Stainless steel spring - Thermostat is positive, accurate and proven - A unique thermostat with special thermo-bonded protective coating to prevent accumulations of mineral deposits, Valves are preset at 150 pounds; The 1/2 inch valve has a 15,000 BTU rating; the 3/4 inch is 80,000 BTU, 63871, 1/2 inch Relief Valve, Lead Free ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00LNFEGLA | | Best Sellers Rank | #736,439 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,068 in Relief Valves | | Brand Name | SEA TECH | | Connector Type | Fitting | | Customer Reviews | 4.4 4.4 out of 5 stars (44) | | Exterior Finish | Copper | | Global Trade Identification Number | 00098268582956 | | Included Components | Watts Regulator 0121325 T&P Relief Valve 1/2" 150 Psi | | Inlet Connection Type | National Pipe Tapered | | Item Dimensions | 2.5 x 1.37 x 7.75 inches | | Item Type Name | Watts Regulator 0121325 T&P Relief Valve 1/2" 150 Psi | | Manufacturer | Sea Tech | | Manufacturer Part Number | 0121325 | | Material Type | Lead Free Copper Silicon Alloy | | Maximum Pressure | 150 psi | | Model Number | 0121325 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 1.37 inches | | Outlet Connection Type | FNPT | | Size | 1/2 Inch | | Specification Met | ASME BPVC, ASME, ANSI | | Thread Size | 1/2 Inch | | Thread Type | FNPT (Outlet), NPT (Inlet) | | UPC | 098268582956 | | Unit Count | 1 Count | | Valve Type | Pressure Relief Valve | ## Product Details - **Brand:** SEA TECH - **Exterior Finish:** Copper - **Inlet Connection Type:** National Pipe Tapered - **Item dimensions L x W x H:** 2.5 x 1.37 x 7.75 inches - **Material:** Lead Free Copper Silicon Alloy - **Maximum Operating Pressure:** 150 psi - **Number of Ports:** 2 - **Outlet Connection Size:** 1.37 inches - **Outlet Connection Type:** FNPT - **Specification Met:** ASME BPVC, ASME, ANSI ## Images ![Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve - Image 1](https://m.media-amazon.com/images/I/41izmFlBk2L.jpg) ![Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve - Image 2](https://m.media-amazon.com/images/I/41b+GjPjJEL.jpg) ## Questions & Answers **Q: 1. Is this the lead free version? 2. The thermostat, which doesn't show in the picture, is 4 inches long. Mine is only 3 inches, would this one work?** A: #1 Not sure. #2 , 3 inches should work ## Frequently Bought Together - Sea Tech (0121325 1/2" Temperature and Pressure Relief Valve - Watts 3517-10 AquaLock Plastic Series, 1/2" CTS x 1/2" CTS Off-White Lead-Free Polysulfone Union Elbow Fitting, O-Ring, Quick Push-to-Connect Design, Tool-Free Installation - Watts AquaLock 1/2" CTS x 1/2" NPS Quick Connect Female Swivel Elbow Connection for Water Plumbing Lines, CPVC, PEX, CTS Rated Pipe, Zero-Leak Connection, White --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/78497744-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve](https://www.desertcart.sg/products/78497744-sea-tech-0121325-1-2-temperature-and-pressure-relief-valve) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-06*