--- product_id: 25000012 title: "APR40 Pressure Regulator Filter Protection Valve with 1/4\" Quick Connect, 40 psi" brand: "ispring" price: "€ 50.32" currency: EUR in_stock: true reviews_count: 11 category: "I Spring" url: https://www.desertcart.sk/products/25000012-apr40-pressure-regulator-filter-protection-valve-with-1-4-quick store_origin: SK region: Slovakia --- # 4 GPM flow rate at 100 psi 1/4 inch quick connect fittings 40 psi pressure limit APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 psi **Brand:** ispring **Price:** € 50.32 **Availability:** ✅ In Stock ## Summary > 💧 Keep your water pressure in check and your appliances happy! ## Quick Answers - **What is this?** APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 psi by ispring - **How much does it cost?** € 50.32 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/25000012-apr40-pressure-regulator-filter-protection-valve-with-1-4-quick) ## Best For - ispring enthusiasts ## Why This Product - Trusted ispring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Build:** Crafted from metal and plastic for long-lasting performance in demanding home water systems. - • **Optimized Flow Rate:** Maintains a steady 4 gallons per minute flow, ensuring efficient water delivery without compromise. - • **Effortless Installation:** 1/4 inch push-in quick connect fittings make setup a breeze—no plumber needed. - • **Peace of Mind Protection:** Ideal for reverse osmosis systems, ice makers, and water filters—stop leaks and failures before they start. - • **Precision Pressure Control:** Limits water pressure to a safe 40 psi, protecting your valuable appliances from costly damage. ## Overview The iSpring APR40 Pressure Regulator is a compact, easy-to-install valve designed to reduce high water pressure to a safe 40 psi. Featuring 1/4 inch quick connect fittings and a flow rate of 4 GPM at 100 psi, it protects reverse osmosis systems, ice makers, and water filters from damage caused by excessive pressure. Durable and reliable, it’s a must-have for maintaining your home’s water system integrity. ## Description Designed to be used in installations with high feed pressure used to protect reverse osmosis systems, water filters, ice makers, and etc 1/4 inch push-in quick fittings for easy installation water flow rate: 4 gallons per minute (15L/min) at 100 psi ## Features - Reduce pressure to 40 Psi - Limits water pressure to protect equipment - 1/4 inch quick connect inlet and outlet fittings ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B017I98T4Y | | Best Sellers Rank | #39,494 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #26 in Industrial Pressure Regulators | | Brand | iSpring | | Brand Name | iSpring | | Connector Type | Quick Connect | | Customer Reviews | 4.4 out of 5 stars 216 Reviews | | Exterior Finish | Painted [AS] | | Global Trade Identification Number | 00662425077908 | | Included Components | Part | | Inlet Connection Size | 0.25 Inches | | Inlet Connection Type | Quick Connect | | Item Dimensions | 2 x 2 x 2 inches | | Item Type Name | iSpring #APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect | | Item Weight | 0.01 Ounces | | Item dimensions L x W x H | 2 x 2 x 2 inches | | Manufacturer | iSpring Water Systems | | Manufacturer Part Number | APR40 | | Material | Metal, Plastic | | Material Type | Metal, Plastic | | Maximum Pressure | 300 Pound per Square Inch | | Model Number | APR40 | | Number of Ports | 2 | | Outlet Connection Size | 0.25 Inches | | Outlet Connection Type | Quick Connect | | Size | 40 Psi | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | NSF | | Thread Size | 1/4 inch | | Thread Type | Compression | | UPC | 662425077908 | | Unit Count | 1.0 Count | | Valve Type | Pressure Regulator Valve | ## Product Details - **Brand:** iSpring - **Exterior Finish:** Painted [AS] - **Inlet Connection Size:** 0.25 Inches - **Inlet Connection Type:** Quick Connect - **Item dimensions L x W x H:** 2 x 2 x 2 inches - **Material:** Metal, Plastic - **Maximum Operating Pressure:** 300 Pound per Square Inch - **Number of Ports:** 2 - **Outlet Connection Size:** 0.25 Inches - **Outlet Connection Type:** Quick Connect ## Images ![APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 psi - Image 1](https://m.media-amazon.com/images/I/51rjWxPkDjL.jpg) ![APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 psi - Image 2](https://m.media-amazon.com/images/I/61B3yXv0DOL.jpg) ![APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 psi - Image 3](https://m.media-amazon.com/images/I/61wql5+7obL.jpg) ![APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 psi - Image 4](https://m.media-amazon.com/images/I/61hDsDFA7QL.jpg) ![APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 psi - Image 5](https://m.media-amazon.com/images/I/61myjOjZAcL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***A on October 14, 2025* ### ⭐⭐⭐⭐⭐ Review *by R***K on September 5, 2016* ### ⭐⭐⭐⭐⭐ Review *by G***Y on October 8, 2025* ## Frequently Bought Together - iSpring 14702 APR40 Pressure Regulator Filter Protection Valve with 1/4" Quick Connect, 40 Psi, white - iSpring CU-A4 0.01μm Ultra-Filtration Under Sink Water Filter System, Tankless 4-Stage High Capacity, Remove 99.99% Contaminants, Quick Filter Change with Brushed Nickel Faucet, White - iSpring ICEK Ultra Safe Fridge Water Line Connection and Ice Maker Installation Kit for Reverse Osmosis RO Systems & Water Filters, 1/4", 20 feet --- ## 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.sk/products/25000012-apr40-pressure-regulator-filter-protection-valve-with-1-4-quick](https://www.desertcart.sk/products/25000012-apr40-pressure-regulator-filter-protection-valve-with-1-4-quick) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-21*