Grundfos 00539605 1.5″ Flange Set CI for GF40/TP40/UPS Circulators

Description

Grundfos 00539605 — 1.5″ Cast Iron Flange Set

The Grundfos 00539605 is a 1.5″ flanged connection set engineered for use with Grundfos GF40, TP40, and UPS series circulator pumps. Manufactured from durable cast iron, this flange set provides a secure, leak-free interface between the circulator and the hydronic piping system, making it an essential service and installation component for residential and light commercial hydronic heating applications.

Key Features

• 1.5″ pipe connection size for compatibility with standard hydronic piping
• Cast iron (CI) construction for long-lasting durability and corrosion resistance in hydronic systems
• Designed specifically for Grundfos GF40, TP40, and UPS series circulators
• Provides a reliable, pressure-rated flanged connection to simplify pump installation and service
• OEM Grundfos replacement part — ensures proper fit and performance
• Ideal for hydronic heating, hot water distribution, and boiler loop applications

Compatibility

• Grundfos GF40 series circulators
• Grundfos TP40 series circulators
• Grundfos UPS series circulators

Specifications

• SKU: 00539605
• Brand: Grundfos
• Connection Size: 1.5″
• Material: Cast Iron (CI)
• Connection Type: Flanged
• Application: Hydronic circulator pump installation and service

Keep your hydronic system running at peak efficiency with genuine Grundfos replacement flanges. The 00539605 flange set is a must-have for contractors and technicians servicing Grundfos circulator pumps in the field.