Toro 4″ Pop-Up Spray Head 15' 360°

The Toro 4″ pop-up spray head delivers 3.3 gallons per minute at 30 PSI with a 15-foot radius and full 360° coverage. That Zero-Flush Seal technology is the real story here — it prevents water waste at startup and shutdown, which means you can run more heads per zone. Worth considering if you’re retrofitting an older system or designing zones for properties with limited water pressure.

Zero-Flush Technology and Water Efficiency

The patented Zero-Flush Seal prevents water from flushing out when the head pops up or retracts. That matters in Montana where water restrictions hit harder every summer. Traditional pop-ups waste water on every cycle — multiply that by 20 heads running 3 times a day, and you’re talking serious gallons down the drain.

The seal technology allows more heads to run on a single zone because you’re not losing pressure to flush water. Operating range runs from 20 to 75 PSI, but optimal performance hits at 30 PSI. That low-end flexibility at 20 PSI works for properties with weak wells or long runs from the water source.

The heavy-duty retraction spring ensures positive retraction to keep the head below the grass line when not in use. No more heads sticking up to catch mower blades.

Installation and Compatibility

Standard 1/2” female NPT inlet makes this a drop-in replacement, and it accepts all Toro 570 Series nozzles including MPR, VAN, Rotary, and Specialty nozzles. The ratcheting riser allows for precise spray direction adjustment after installation. That’s the detail that saves callbacks — you can fine-tune coverage without digging anything back up.

Installation sequence matters with these heads:

• Unscrew the old head and clean the riser threads
• Screw the Toro 570Z body onto the 1/2-inch riser
• Flush the system to remove dirt before installing the nozzle
• Install the filter and 15’ 360° nozzle
• Align the spray pattern by ratcheting the riser manually

The head accepts Toro 570 Check Valve (part #570-CV) to prevent low-head drainage — critical for sloped properties where water hammering destroys seals over time.

Performance Specifications

Specification	Value
Pop-up Height	4 inches
Spray Radius	15 feet
Spray Pattern	360° (Full Circle)
Flow Rate at 30 PSI	3.3 GPM
Operating Pressure Range	20 - 75 PSI
Optimal Pressure	30 PSI (2.1 bar)
Cap Diameter	2 inches
Body Material	Corrosion-resistant plastic and stainless steel

The small profile cap reduces the risk of damage from lawn equipment. Two-inch diameter versus the typical 2.5-inch caps means less target for mowers and string trimmers. Corrosion-resistant plastic and stainless steel construction handles Montana’s freeze-thaw cycles better than all-plastic competitors.

The kit comes complete:

• 4” Sprinkler Body
• 15’ Full Circle (360°) Nozzle
• Debris Filter Screen
• Installation Flush Plug

Users report easy installation and reliable pop-up mechanism performance, with an average 4.5-star rating across 15 reviews. The main complaint involves potential seal wear in extremely sandy soils requiring occasional flushing. Not a huge concern for Montana’s typically clay-heavy soils.

Toro includes WaterSense certification when paired with pressure-regulated bodies and meets Matched Precipitation Rate (MPR) compliance. Those certifications matter for commercial projects where water efficiency documentation gets required.

The Bottom Line

This head makes sense for contractors dealing with water pressure challenges or zone limitations. The Zero-Flush Seal genuinely saves water and lets you squeeze more heads onto existing zones. At 20 PSI minimum operating pressure, it’ll work where other heads struggle.

Skip it for basic residential retrofits where water pressure isn’t an issue. Standard pop-ups cost less and work fine if you’re not pushing zone limits. But for challenging installs — long runs, elevation changes, or properties with marginal pressure — the 570Z earns its keep.

The ratcheting riser alone prevents callbacks. Being able to dial in coverage after backfilling saves more time than most contractors calculate. Add the proven seal technology and broad nozzle compatibility, and you’ve got a head that solves real installation problems.

Frequently Asked Questions

Q: What’s the actual water savings with Toro’s Zero-Flush Seal technology?

The Toro 570Z’s patented Zero-Flush Seal prevents water waste at startup and shutdown, allowing more heads to run on a single zone compared to traditional pop-ups. While specific gallon savings aren’t quantified, the technology eliminates the water that normally flushes out during pop-up and retraction cycles — multiply that waste by 20 heads running multiple times daily and the savings add up significantly.

Q: Can I use this Toro head to replace my existing Rain Bird 1800 Series?

Yes, the Toro 4” pop-up uses a standard 1/2” female NPT inlet connection, making it a direct replacement for most residential spray heads including Rain Bird 1800 Series. The head accepts all Toro 570 Series nozzles (MPR, VAN, Rotary, and Specialty) and includes a 15’ 360° nozzle in the kit.

Q: What’s the minimum water pressure needed for these Toro heads?

The Toro 570Z operates from 20 to 75 PSI, with optimal performance at 30 PSI delivering 3.3 gallons per minute. That 20 PSI minimum makes it suitable for properties with weak wells or long runs from the water source where other heads might struggle.

Q: How do I adjust the spray pattern after installation?

The Toro 570Z features a ratcheting riser that allows precise spray direction adjustment without digging. After installation and backfilling, simply turn the riser manually to ratchet it to your desired spray direction — this prevents callbacks for coverage adjustments.

Q: What comes in the box with this Toro spray head?

The complete kit includes the 4” sprinkler body, a 15’ full circle (360°) nozzle, debris filter screen, and installation flush plug. The 2-year limited manufacturer warranty covers defects in materials and workmanship.

Q: Will the Toro 570Z work in sandy soil conditions?

While the Toro 570Z performs well in most soil conditions with its corrosion-resistant plastic and stainless steel construction, users report that extremely sandy soils may cause seal wear over time requiring occasional flushing. The heavy-duty retraction spring ensures positive retraction to keep the head below grass line regardless of soil type.