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".

519603 | Desertcart Austria

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€ 69.11

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Upgrade your pump game with precision and ease!

LIGHTWEIGHT YET ROBUST - At just 553g, this flange kit balances strength with easy handling for efficient plumbing projects.
TRUSTED GRUNDFOS QUALITY - Manufactured by Grundfos Pumps Corp., guaranteeing durability and reliability in every component.
ALL IN ONE INSTALLATION KIT - Includes flanges, gaskets, bolts, and nuts—everything you need to upgrade without the hassle.
OPTIMIZED FOR PROFESSIONAL USE - Designed to meet manufacturer recommendations, ensuring a perfect fit and long-lasting operation.
PRECISION FIT FOR PEAK PERFORMANCE - Engineered 1-1/4" NPT connections ensure seamless integration with your Grundfos UP Series circulator pumps.

The GRUNDFOS 519603 flange kit features 1-1/4" NPT end connections compatible with Grundfos UP Series circulator pumps. This comprehensive kit includes 2 flanges, 2 gaskets, and 4 bolts and nuts, designed for a perfect fit and reliable performance. Lightweight at 553g, it’s engineered for professional-grade plumbing installations, backed by Grundfos’ trusted manufacturing standards.

Specifications

ASIN	B0039PO22K
Batteries Required?	No
Batteries included?	No
Customer Reviews	4.8 4.8 out of 5 stars (23)
Date First Available	21 Mar. 2013
Item Package Quantity	1
Item Weight	553 g
Item model number	519603
Manufacturer	Grundfos Pumps Corp.
Material	Other
Part Number	519603
Product Dimensions	20.32 x 10.16 x 15.24 cm; 553.38 g
Size	379

Reviews

K**C

The flanges, gaskets and nuts and bolts are not including when purchasing the pump. I feel they should be!!

26.02.2026

J**A

It was the right size.

20.10.2024

H**Y

Used these on Taco 007 pump. All good

29.05.2024

J**Z

Grundfos. The standard I rely on for my heating system.

2.11.2015

H**C

Picture is misleading....... Needed the 3/4" flanges that is compatible with the pump I ordered...... NOT THE 1 1/4"

13.05.2017

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€ 69.11

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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