Grundfos 00526061 Cartridge Kit for UP 25/26/43 Circulators 115/230V

Grundfos 00526061 Cartridge Kit — UP 25/26/43 Series, 115/230V

The Grundfos 00526061 Cartridge Kit is a genuine OEM replacement designed to restore full performance to Grundfos UP 25, UP 26, and UP 43 series wet-rotor circulator pumps. Whether you’re performing routine maintenance or addressing a failed pump cartridge, this kit delivers a cost-effective alternative to full pump replacement, minimizing downtime in residential and light commercial hydronic heating systems.

Key Features

• Genuine Grundfos OEM replacement cartridge kit
• Compatible with UP 25, UP 26, and UP 43 series circulator pumps
• Dual-voltage design — suitable for 115V and 230V applications
• Restores original pump efficiency and flow performance
• Simplifies field service — no full pump replacement required
• Ideal for hydronic heating and hot water recirculation systems
• Wet-rotor cartridge design for quiet, reliable operation

Application

This cartridge kit is engineered for use in closed-loop hydronic heating systems, domestic hot water recirculation loops, and radiant floor heating applications where Grundfos UP-series circulators are installed. The dual 115/230V voltage compatibility makes it a versatile stocking item for HVAC and plumbing contractors.

Why Choose Genuine Grundfos Replacement Parts?

Using OEM-specified cartridge components ensures proper fit, correct hydraulic performance, and long-term reliability. Aftermarket alternatives may not meet the dimensional or material tolerances required for optimal pump operation. The Grundfos 00526061 cartridge kit is manufactured to the same standards as the original pump assembly.

Product Specifications

• SKU: 00526061
• Brand: Grundfos
• Compatible Models: UP 25, UP 26, UP 43 series circulators
• Voltage: 115V / 230V
• Part Type: Replacement Cartridge Kit