--- product_id: 5784606 title: "519601 Cast Iron Flange Set for UP Series Circulator Pumps-3/4 NPT, Black, 347" brand: "grundfos" price: "50986CFA" currency: XOF in_stock: true reviews_count: 13 category: "Grundfos" url: https://www.desertcart.sn/products/5784606-519601-cast-iron-flange-set-for-up-series-circulator-pumps store_origin: SN region: Senegal --- # 3/4-inch NPT threaded pipe connection Includes bolts & nuts for secure fit Durable cast iron build 519601 Cast Iron Flange Set for UP Series Circulator Pumps-3/4 NPT, Black, 347 **Brand:** grundfos **Price:** 50986CFA **Availability:** ✅ In Stock ## Summary > 🔧 Lock in reliability with every flange – because your pump deserves the best! ## Quick Answers - **What is this?** 519601 Cast Iron Flange Set for UP Series Circulator Pumps-3/4 NPT, Black, 347 by grundfos - **How much does it cost?** 50986CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/5784606-519601-cast-iron-flange-set-for-up-series-circulator-pumps) ## Best For - grundfos enthusiasts ## Why This Product - Trusted grundfos brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Installation Kit:** Includes 2 flanges, 2 gaskets, and 4 bolts with nuts for hassle-free setup. - • **Engineered for Precision Fit:** Specifically designed for Versa Flo UP and UPS pumps ensuring seamless compatibility. - • **Threaded 3/4" NPT Connection:** Secure, leak-proof pipe connection with industry-standard threading. - • **Robust Cast Iron Construction:** Built to last with premium cast iron for superior durability and corrosion resistance. - • **Trusted Quality with High Ratings:** Rated 4.6/5 by professionals who demand reliability and performance. ## Overview The Grundfos 519601 Cast Iron Flange Set is a premium accessory kit designed for UP Series circulator pumps, featuring durable cast iron flanges, secure 3/4-inch NPT threaded connections, and a complete set of gaskets and bolts for easy installation. Trusted by professionals for its robust build and precise fit, it ensures long-lasting pump performance and leak-free operation. ## Description Product Description Grundfos 519601 Cast Iron Flange Set is compatible with Grundfos UP Series Circulator Pumps. This kit includes (2) flanges, (2) gaskets and (4) bolts and nuts. Features NPT end connections and a 3/4" fitting size. Constructed of durable cast iron material. Check manufacturer recommendations to ensure a proper fit. From the Manufacturer Grundfos cast iron flange sets include: 2 each - flanges, gaskets, bolts with nuts. Use with Versa Flo UP and UPS pumps. Review: is what it says-quality is fine - wrong size 4 me Review: correct part and fit perfect - great quality. would purchase again ## Features - Use with Versa Flo UP and UPS pumps - Pump connection GF 15/26 - 3/4-inch NPT pipe connection - Fitting is threaded for security - Includes 2 flanges, 2 gaskets, 2 bolts with nuts ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0012QGVRC | | Best Sellers Rank | #248,254 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #345 in Water Pump Accessories | | Brand | Grundfos | | Color | Black | | Compatible Groove Diameter | 15 Millimeters | | Customer Reviews | 4.6 4.6 out of 5 stars (380) | | Fastener Type | bolts | | Finish Types | No Finish | | Global Trade Identification Number | 00632514009769 | | Included Components | Grundfos 519601 Cast Iron Flange Set for UP Series Circulator Pumps - 3/4" NPT | | Item Diameter | 0.75 Inches | | Item Dimensions | 2 x 2 x 2 inches | | Item Shape | Round | | Item Type Name | Grundfos 519601 Cast Iron Flange Set for UP Series Circulator Pumps - 3/4" NPT | | Item Weight | 0.01 Ounces | | Manufacturer | Grundfos | | Material Type | Cast Iron | | Number of Pieces | 6 | | Screw Head Style | Hex | | Size Name | 347 | | Thread Size | 3/4-18 | | UPC | 783961374501 632514009769 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Grundfos - **Color:** Black - **Item dimensions L x W x H:** 2 x 2 x 2 inches - **Material:** Cast Iron - **Size:** 347 ## Images ![519601 Cast Iron Flange Set for UP Series Circulator Pumps-3/4 NPT, Black, 347 - Image 1](https://m.media-amazon.com/images/I/612MCDF08AL.jpg) ## Questions & Answers **Q: What isthe size of the bolts in this set?** A: I believe they were 1/2" x 2" **Q: What are the dimensions of these flanges? Specifically how far apart are the bolt holes?, And how big is diameter on short side?** A: The bolt holes are 3 1/8” Center to Center. The diameter of the two bolt holes are approximately 1/2”. They are about 5/16” from the edge of the flange. I hope this helps you. Mike **Q: My boiler has 1" input/output. Is there a 1" flange set?** A: Yes, please see the following. Grundfos 519602 1-Inch GF 15/26 Cast Iron Flange Set … ASIN: B0012QIZNU **Q: grundfos ups 26-99fc will this set work on this pump?** A: 3/4" GF 15/16 FLANGE SET, BRONZE, THREADED, PAIR, GRUNDFOS, Use with UP15-18SF, UP15-42SF, UP25-64SF, UP26-96BF, UP26-99BF YES ## Customer Reviews ### ⭐⭐⭐⭐⭐ is what it says-quality is fine *by S***I on June 1, 2024* wrong size 4 me ### ⭐⭐⭐⭐⭐ correct part and fit perfect *by S***M on December 27, 2023* great quality. would purchase again ### ⭐⭐⭐⭐⭐ it just works *by S***H on February 1, 2021* This is a plain jane item that just works and will last a lifetime. ## Frequently Bought Together - Grundfos 519601 Cast Iron Flange Set for UP Series Circulator Pumps-3/4 NPT, 347, Black - Grundfos 59896341 UPS15-58FC Super Brute Circulator, Red, Small - 3-Speed Grundfos Pump Hot Water Circulator Pump Model UPS15-58FC; 115V --- ## 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.sn/products/5784606-519601-cast-iron-flange-set-for-up-series-circulator-pumps](https://www.desertcart.sn/products/5784606-519601-cast-iron-flange-set-for-up-series-circulator-pumps) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-05-16*