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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Enhanced Control Precision: Utilizes a sensitive force-balance mechanism that outperforms standard spring-return systems by compensating for actuator friction and high-flow air resistance
Robust 330Vac rating offers superior voltage tolerance compared to lower-rated 220V or 250V alternatives
many parts remain interchangeable
The system offers comprehensive fan control—including Auto
always check the ratings on the original motor nameplate to prevent winding burnout
Grundfos 00506173 Cartridge Kit 318973-401 Enhanced Control Precision: Utilizes aAs a veteran tech, you know the cost of pulling a complete circulator just because the internal rotor has seized or the bearings are shot. The Grundfos 00506173 Cartridge Kit is the professional solution for restoring 115V UP15 42 and UPS15 42F series pumps to O. E. M. efficiency without the need for piping re work. This genuine Grundfos replacement part is a complete "wet end" assembly, featuring the stainless steel rotor and ceramic bearing system