Grundfos 00519852 Isolation Valve Set 340155-7026 as long as the MFD

as long as the MFD range (270-324) remains the same

For accurate low-point sensing

This dual-switch kit provides two independent SPDT (Single Pole Double Throw) switching functions

providing 45 in-lb of torque for reliable positioning

NEMA 4X (IP65) aluminum LB-style conduit box

Grundfos 00519852 Isolation Valve Set 340155-7026 as long as the MFDThe Grundfos 00519852 Isolation Valve Set is a critical component for streamlining the installation and maintenance of Grundfos UP series circulator pumps. Engineered with a 3 4 inch Bronze Union connection, this valve set provides a reliable, leak free interface for residential and light commercial hydronic systems. The bronze construction ensures superior corrosion resistance, making it an essential choice for open loop potable water systems or