

🛠️ Upgrade your pump game with the ultimate flange set—because your system deserves the best!
The Grundfos 519603 Cast Iron Flange Set is a premium plumbing accessory designed for 1-1/4" NPT connections, perfectly compatible with Grundfos UP Series circulator pumps. This durable kit includes two cast iron flanges, gaskets, and all necessary bolts and nuts, ensuring a secure, leak-resistant installation. Trusted by professionals and backed by excellent reviews, it’s the essential upgrade for reliable pump performance.
| ASIN | B0039PO22K |
| ASIN | B0039PO22K |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (23) |
| Customer reviews | 4.8 4.8 out of 5 stars (23) |
| Date First Available | 15 August 2013 |
| Date First Available | 15 August 2013 |
| Included components | Grundfos 519603 Cast Iron Flange Set for UP Series Circulator Pumps - 1-1/4" NPT |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 553 g |
| Item model number | 519603 |
| Item model number | 519603 |
| Manufacturer | Grundfos |
| Manufacturer | Grundfos |
| Material | Cast Iron |
| Part number | 519603 |
| Product Dimensions | 20.32 x 10.16 x 15.24 cm; 553.38 g |
| Product Dimensions | 20.32 x 10.16 x 15.24 cm; 553.38 g |
| Size | 379 |
K**C
The flanges, gaskets and nuts and bolts are not including when purchasing the pump. I feel they should be!!
J**A
It was the right size.
H**Y
Used these on Taco 007 pump. All good
J**Z
Grundfos. The standard I rely on for my heating system.
H**C
Picture is misleading....... Needed the 3/4" flanges that is compatible with the pump I ordered...... NOT THE 1 1/4"
Trustpilot
1 month ago
4 days ago