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The TORO 34578 is a pop-up cap designed for use with 300 Series irrigation pop-up sprinkler bodies. Pop-up caps serve as the top closure component of a pop-up sprinkler assembly, retaining the internal stem and nozzle while providing a weather-resistant seal when the head is in the retracted position. This replacement cap is suited for irrigation professionals and landscape contractors performing routine sprinkler maintenance or restoring damaged sprinkler heads in residential and commercial turf and landscape systems.
This cap fits 3-inch pop-up sprinkler bodies in the 300 Series product line. It is commonly installed during seasonal maintenance, vandalism repair, or when upgrading existing irrigation zones. Irrigation technicians working on established TORO 300 Series systems will find this cap a direct-fit replacement for worn or cracked original caps.
Designed as an OEM-style replacement cap for TORO 300 Series 3-inch pop-up sprinkler bodies.
Installation is performed by qualified irrigation technicians or experienced landscape professionals. Shut off the irrigation zone and relieve system pressure before disassembling any sprinkler body. Remove the existing cap by unscrewing or unclipping per the sprinkler body design, then seat the replacement cap firmly to ensure a proper seal and correct stem operation. Verify the cap is fully secured before restoring water pressure to the zone.
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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