---
product_id: 378642121
title: "519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set"
brand: "grundfos"
price: "1176 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/378642121-519603-1-1-4-inch-gf-15-26-cast-iron
store_origin: PL
region: Poland
---

# 1-1/4-Inch NPT pipe connection Complete flange set with bolts & nuts Proudly made in the USA 519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set

**Brand:** grundfos
**Price:** 1176 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your plumbing game with precision and durability!

## Quick Answers

- **What is this?** 519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set by grundfos
- **How much does it cost?** 1176 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/378642121-519603-1-1-4-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

- • **Compact & Lightweight:** Easy to handle with dimensions optimized for tight plumbing spaces
- • **Durable Cast Iron Build:** Robust material ensures long-lasting reliability under pressure
- • **Precision Engineered Fit:** Secure 1-1/4-Inch NPT pipe connection for leak-proof performance
- • **All-in-One Installation Kit:** Includes 2 flanges, 2 gaskets, and 2 bolts with nuts for hassle-free setup
- • **Trusted American Craftsmanship:** Manufactured by Grundfos in the USA, guaranteeing quality and durability

## Overview

The 519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set by Grundfos is a high-quality plumbing fitting featuring a secure NPT pipe connection, complete with flanges, gaskets, and bolts for easy installation. Made in the USA from durable cast iron, it offers reliable performance and longevity in professional and home plumbing systems.

## Description

519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set

## Features

- Pump connection: GF 15/26
- 1-1/4-Inch NPT pipe connection
- 2 flanges
- 2 gaskets
- 2 bolts with nuts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Grundfos |
| Country of Origin | USA |
| Item model number | 519603 |
| Product Dimensions | 20.32 x 10.16 x 15.24 cm; 553.38 g |
| ASIN | B0039PO22K |

## Images

![519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set - Image 1](https://m.media-amazon.com/images/I/61luHiue4dL._AC_UL320_.jpg)
![519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set - Image 2](https://m.media-amazon.com/images/I/61luHiue4dL._AC_UL480_FMwebp_QL65_.jpg)
![519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set - Image 3](https://m.media-amazon.com/images/I/61luHiue4dL._AC_UL640_FMwebp_QL65_.jpg)
![519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set - Image 4](https://m.media-amazon.com/images/I/61luHiue4dL._AC_UL800_FMwebp_QL65_.jpg)
![519603 1-1/4-Inch GF 15/26 Cast Iron Flange Set - Image 5](https://m.media-amazon.com/images/I/61luHiue4dL._AC_UL960_FMwebp_QL65_.jpg)

## Questions & Answers

**Q: What is the distance between the bolt holes ? Thanks**
A: Center to center is 3-1/4" for the Grundfos flanges.

**Q: What is the total lenght of the flange ? Thanks**
A: Total length of the Grundfos flange is 4-1/4". The holes center to center is 3-1/4".

## Frequently Bought Together

- Grundfos 519603 Cast Iron Flange Set for UP Series Circulator Pumps-1-1/4 NPT, Black
- Grundfos 59896341 UPS15-58FC Super Brute Circulator, Red, Small
- HYDRO MASTER Universal Pump Flange Gasket (Set of 2)

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**Shop now:** [https://www.desertcart.pl/products/378642121-519603-1-1-4-inch-gf-15-26-cast-iron](https://www.desertcart.pl/products/378642121-519603-1-1-4-inch-gf-15-26-cast-iron)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-27*