⚙️ Grundfos 519601 3/4" Cast Iron GF 15/26 NPT Flange Set

Replacement Flange Set for Versa Flo UP & UPS Pumps

The Grundfos 519601 flange set is a durable, cast-iron replacement designed for use with Versa Flo UP and UPS pump series. This set ensures secure connections, leak-free performance, and easy installation for residential or light commercial pumping applications.

✅ Key Features

• 🔹 3/4" NPT pipe connection for GF 15/26 pumps

• 🔹 Compatible with Versa Flo UP 15/26/43 Series and UPS 15 Series pumps

• 🔹 Includes 2 cast-iron flanges, 2 gaskets, 2 bolts with nuts for complete installation

• 🔹 Durable cast iron construction for long-lasting performance

• 🔹 Easy to install and maintain proper pump connection

• 🔹 Ensures leak-proof and secure flange assembly

📊 Specifications

⚠️ Common Symptoms / When to Replace

• Leaks at pump connection points

• Damaged or corroded flanges or bolts

• Loose flange assembly causing vibration or misalignment

• Difficulty maintaining proper seal between pump and piping

❓ FAQ – Frequently Asked Questions

Q: Which pumps is this flange set compatible with?
A: UP 15 Series (some), UP 26 Series (some), UP 43 Series (some), and UPS 15 Series pumps.

Q: What does the kit include?
A: 2 cast iron flanges, 2 gaskets, and 2 bolts with nuts.

Q: What size pipe connection does it fit?
A: 3/4" NPT.

Q: Can I reuse old gaskets?
A: For a secure, leak-free installation, always use the new gaskets provided.

🛒 Shopping Tips

• Confirm pump series and connection size before ordering.

• Inspect old flanges for cracks or corrosion before reusing hardware.

• Use the included gaskets and bolts for proper installation.

• Ideal for maintenance or replacement to restore pump reliability.