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The OLSON 6636 is a mini-sprinkler head rated at 24 gallons per hour (GPH), designed for low-volume irrigation and watering applications. It connects via a 3/8 inch male iron pipe thread (MIPT) base fitting and uses a 10/32 thread for the nozzle or riser attachment. The red color designation indicates a specific flow rate calibration, allowing installers to quickly identify and sort sprinkler heads by output during layout and system assembly. This type of emitter is typically installed by irrigation technicians and landscape professionals working on drip or micro-irrigation systems.
The OLSON 6636 is suited for residential and light commercial micro-irrigation installations, including garden beds, container plantings, nursery operations, and landscape borders. It delivers a consistent 24 GPH output, making it appropriate for applications where uniform low-volume distribution is required across multiple zones. The red color coding helps technicians maintain flow-rate consistency across a system when multiple emitter rates are in use on the same project.
Designed as an OEM-style replacement or component-level addition for micro-irrigation and drip systems using standard 3/8 inch MIPT threaded fittings and 10/32 threaded nozzle assemblies.
Installation is performed by qualified irrigation technicians following local water authority guidelines and applicable plumbing codes. Shut off system water supply and relieve line pressure before threading or unthreading any fittings. Hand-tighten MIPT connections and apply appropriate thread sealant tape to prevent leaks at the base fitting. Avoid over-tightening plastic-bodied fittings, which can crack the threads and cause joint failure.
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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