---
product_id: 395043404
title: "Grundfos 519601 3/4-Inch GF 15/26 Cast Iron Flange Set"
brand: "grundfos"
price: "658716₫"
currency: VND
in_stock: false
url: https://www.desertcart.vn/products/395043404-grundfos-519601-3-4-inch-gf-15-26-cast-iron
store_origin: VN
region: Vietnam
---

# Includes bolts, nuts & gaskets for secure fit 3/4-inch NPT threaded connection Durable cast iron construction Grundfos 519601 3/4-Inch GF 15/26 Cast Iron Flange Set

**Brand:** grundfos
**Price:** 658716₫
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Lock in your pump’s power with precision and durability!

## Quick Answers

- **What is this?** Grundfos 519601 3/4-Inch GF 15/26 Cast Iron Flange Set by grundfos
- **How much does it cost?** 658716₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/395043404-grundfos-519601-3-4-inch-gf-15-26-cast-iron)

## 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

- • **Precision Threaded Fit:** 3/4-inch NPT pipe connection ensures leak-proof, secure pump integration
- • **Robust Cast Iron Build:** Engineered for long-lasting durability in heating and circulation systems
- • **Versatile Compatibility:** Designed for use with Grundfos UP and UPS 15, 26, and 43 series pumps
- • **Complete Installation Kit:** Includes 2 flanges, 2 gaskets, 4 bolts, and 4 nuts for hassle-free setup
- • **Professional Grade Reliability:** Flat head bolts and female threaded flanges deliver industrial strength performance

## Overview

The Grundfos 519601 flange set features a 3/4-inch NPT threaded connection with cast iron construction, including all necessary hardware for secure installation. Compatible with multiple Grundfos UP and UPS pump series, it offers professional-grade reliability for heating and circulation systems.

## Description

Pair of Grundfos 3/4" NPT Circulator Pump Flanges.Includes (2) flanges, (2) gaskets, (4) nuts (4) bolts. Specs: Product Specs Material: Cast Iron Application: Heating Type: Pump Flanges Thread Type: Female Connection Size: 3/4" Thread Size: 3/4" Connection Type: Threaded (IPS) Parts Used With: UP 15 Series Pumps (Some) UP 26 Series Pumps (Some) UP 43 Series Pumps (Some) UPS 15 Series Pumps (Some)

## 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 |
|---------------|-------|
| Fastener Type | bolts |
| Head Style | Flat |
| Finish Type | No Finish |
| Shape | Round |
| Item Diameter | 0.75 Inches |
| Thread Size | 3/4-18 |
| Number of Pieces | 6 |
| Compatible groove diameter | 15 Millimeters |
| Global Trade Identification Number | 00632514009769 |
| Number of Items | 1 |
| Set Name | Flanges Set |
| Manufacturer | Grundfos |
| UPC | 783961374501 632514009769 |
| Item model number | 519601 |
| ASIN | B0012QGVRC |

## Product Details

- **Size:** 347
- **Colour:** black
- **Material:** Cast Iron
- **Brand:** Grundfos
- **Item dimensions L x W x H:** 5.1 x 5.1 x 5.1 Centimeters

## Images

![Grundfos 519601 3/4-Inch GF 15/26 Cast Iron Flange Set - 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

## 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

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-19*