What is the distance between the bolt holes ? Thanks

Center to center is 3-1/4" for the Grundfos flanges.

What is the total lenght of the flange ? Thanks

Total length of the Grundfos flange is 4-1/4". The holes center to center is 3-1/4".

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

Product ID: 378642121

🔩1-1/4-Inch NPT pipe connection

⚙️Complete flange set with bolts & gaskets

🇺🇸Proudly made in the USA

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901140Fr

Duties & taxes included

In stock

Sold byAmazon BurundiDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Elevate your plumbing game with the ultimate flange set—because your system deserves the best!

CAST IRON DURABILITY - Built to last with robust cast iron, perfect for demanding heating systems.
COMPACT LIGHTWEIGHT - Weighs just 553g with a compact design for easy handling and installation.
TRUSTED BRAND STANDARD - Grundfos quality you can rely on for professional-grade plumbing solutions.
PRECISION FIT ZERO HASSLE - Engineered for seamless 1-1/4-inch NPT pipe connections, ensuring leak-proof reliability.
ALL IN ONE INSTALLATION KIT - Includes 2 flanges, 2 gaskets, and bolts with nuts for a hassle-free setup.

The Grundfos 519603 GF 15/26 Cast Iron Flange Set is a precision-engineered plumbing fitting designed for 1-1/4-inch NPT pipe connections. Made in the USA, this durable cast iron flange set includes all necessary components—flanges, gaskets, bolts, and nuts—for a reliable, professional-grade installation in heating and pump systems.

Specifications

ASIN	B0039PO22K
Country of Origin	USA
Item Dimensions LxWxH	20.3 x 10.2 x 15.2 Centimeters
Item Weight	553 g
Item model number	519603
Manufacturer	Grundfos
Net Quantity	1.0 Count
Product Dimensions	20.32 x 10.16 x 15.24 cm; 553.38 g

Reviews

K**C

Make sure it's all you need!

26.02.2026

J**A

Good value

20.10.2024

H**Y

Worked fine

29.05.2024

J**Z

Grundfos

2.11.2015

H**C

Picture is misleading....... ...

13.05.2017

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