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

Q: What are the dimensions of these flanges? Specifically how far apart are the bolt holes?, And how big is diameter on short side?

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?

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?

3/4" GF 15/16 FLANGE SET, BRONZE, THREADED, PAIR, GRUNDFOS, Use with UP15-18SF, UP15-42SF, UP25-64SF, UP26-96BF, UP26-99BF YES

Product ID: 395043404

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Details

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

🔩3/4-inch NPT threaded connection

🏗️Durable cast iron construction

🛠️Includes 2 flanges, 2 gaskets, 2 bolts & nuts

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

Description

🔧 Lock in reliability with Grundfos precision – don’t let your system settle for less!

COMPACT EFFICIENT - Streamlined 5.08 cm dimensions for easy integration in tight spaces
PRECISION THREADED FIT - Secure 3/4-inch NPT pipe connection for leak-proof performance
RUGGED CAST IRON BUILD - Engineered for long-lasting durability in heating systems
VERSATILE COMPATIBILITY - Designed for use with Versa Flo UP and UPS pump series
COMPLETE INSTALLATION KIT - Everything you need—flanges, gaskets, bolts, and nuts included

The Grundfos 519601 Cast Iron Flange Set features a secure 3/4-inch NPT threaded connection, robust cast iron construction, and includes all necessary hardware for seamless installation with Versa Flo UP and UPS pumps. Compact and durable, it ensures reliable, leak-proof pump connections in heating applications.

Specifications

Finish Type	No Finish
Global Trade Identification Number	00632514009769
Manufacturer	Grundfos
UPC	783961374501 632514009769
Item model number	519601
Product Dimensions	5.08 x 5.08 x 5.08 cm; 0.28 g
ASIN	B0012QGVRC

Have a Question? See What Others Asked

What isthe size of the bolts in this set?

What are the dimensions of these flanges? Specifically how far apart are the bolt holes?, And how big is diameter on short side?

My boiler has 1" input/output. Is there a 1" flange set?

grundfos ups 26-99fc will this set work on this pump?

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