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Grundfos 506172 Replacement Cartridge for 15-18SF and 15-18SU circulators is designed for efficient operation. It operates at 115V and ensures seamless functioning of your heating system.
This replacement cartridge is essential for maintaining the performance of your Grundfos circulators. It is designed for compatibility with 15-18SF and 15-18SU models and operates at 115V, making it a reliable component for your heating system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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