WATER SAVING RAIN CURTAIN TECH - Large, wind-resistant droplets ensure uniform coverage and reduce water waste.
The Rain Bird 42SA+/4PK is a 4-pack of durable, water-lubricated gear-driven rotors featuring adjustable spray arcs from 40° to 360°, a spray distance of 26 to 38 feet, and a 3 GPM nozzle. Designed for reliable, water-efficient irrigation with easy top-access adjustments and a protective pop-up design, it’s built to handle challenging lawn conditions while delivering uniform coverage.
Specifications
Brand
Rain Bird
Color
Black
Material
Rubber
Item dimensions L x W x H
2 x 2 x 7.5 inches
Maximum Pressure
70 Pound per Square Inch
Maximum Flow Rate
3 Gallons Per Minute
Manufacturer
Rain Bird
Style
4-Pack
UPC
077985007867
Global Trade Identification Number
00077985007867
Number of Items
1
Model
42SA+ Simple-Adjust Rotor 4-Pack, Short
Item Weight
0.3 ounces
Product Dimensions
2 x 2 x 7.5 inches
Item model number
W42021
Is Discontinued By Manufacturer
No
Manufacturer Part Number
42SA+/4PK
Reviews
4.6
All from verified purchases
E**O
Great replacement
The product is easy to install, cheaper than the big box stores. If you need a few just order a lot. They seem to run out certain times of the year.
M**S
Sprinkler
I am replacing my sprinklers with these. They work great and cover more ground than the ones I have.Very happy. Easy to install, just took some time to set up the area I wanted wet.
S**Y
Works great, replaced old Orbit w/ New Rainbird
Yard has Orbits installed about 20 years ago, they are slowly dying. The Rainbird w/ the rain curtain nozzle produces a better spray pattern and has less misting on windy days, watching both side by side. I also noticed that in areas that were struggling, the new Rainbird w/ the rain currain, use it, grass greened up quickly.They cost the same as the orbits but have a significantly better spray pattern.
U**E
U can do it yourself save ton from irrigation thuggery..
excellent heads - only minor gripe is they complicate unnecessarily adjusting the flow and the radius (though its not rocket science) to figure out all adjustment.The flow is controlled by screwing with a thin narrow screw driver (or the tool if you must waste the 5 bucks its really not needed) c;lossest to nozzle/water flow (yes check your blue nozzle plastic cone is in there!) clockwise reduces stream distance while counterclockwise increases stream -warning for novices like me- IF YOU LOOSEN THE SCEEW TOO MUCH THAT IS ALSO THE WAY TO REMOVE NOZZLE AND MY WATER PRESSURE SENT IT FLYING FAR ENOUGH THAT I DDI NOT NOTICE IF FLEW OUT and thought d was broken-but a straight shot of water like hose vs. spraying flow should be obvious to folks paying more attention than me!FWIW-my quick view of how these work (you need a thin skew driver or the Rain Bird screwdriver tool) but its nothing more than smaller skew driver with flat head..- the right side slot (visible and right and below nozzle adjustment screw) I use mainly to pull up the pop up heads (and you can check the rotation levels if you desire that way. Since they comee programmed to do 180 degree watering you really need not mess with adjustments unless you need to go above 1`80 or below with the lowest skew driver access port on bottom opposite the nozzle side where clockwise increases your areas above 180 degrees and counter lowers to as low as 60...while this is not truly part of review I wish someone would have posted this for me as it might have saved me a few annoyed 5-7pm digging parties -but then again they are labeled as "Pro/high end" so they probably do not want to make it so easy that any person can swap them like the bigger heads that make the tick tick ticking noise and encase the sprinkler head (used more in smaller yards)..If you feel braver after getting one basic replaced and working- You can get different nozzles to replace standard "30" size nozzle for Lower Angle (under tree canopies or on hilly areas) , or water saving nozzles for low pressure or other lower irrigation eeed areas (they are a $1. 79 and easy to change even for a e novice like myself)..I am replacing all my 15 year old Toros of similar type (they had a dirt filter but otherwise those seem superior). I have high pressure and stuck with 3/4 inches even though the 32SAs are about 4 bucks cheaper each- refitting the plastic lines with possible leaks to them plus the versatility of these heads seems superior to the 32SAs-welcoome correction from more pros here.Next challenge-my heads did needed replacement but root cause of head leaking in base zone after cutting to next zone was the valve gasket or tired solenoid not shutting it all way-not sure yet-- to next fun step- finding a Toro valve compatible with 1999 system-not likely hard but they do not make higher end irrigation very easy for novices - do go to any decent instructional sites on web including RainBird's own site- there is much more than comes with paper insert with these in your package-and these are not much more to buy at your local HD or Ls...FWIW...but still a couple bucks less each I think here in bundled form-might try the 5000 pro ones as they seem to be same line but a notch above--will see if available at decent price...
H**R
Great product at a reasonable price.
I have great coverage with these replacement sprinklers. Easy to install and adjust. No special tools just a small flat blade screwdriver.
W**N
It's as advertised
It was delivered on time and it's as advertised
F**Y
great replacements
Worked perfectly and easy to install
W**T
Great Replacement Heads!
My irrigation heads were not working properly. I purchased these, after ordering the wrong size, and these are just what I needed. No more saggy heads. The popped up perfectly.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Ali H.
Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.
1 day ago
Meera L.
Smooth transaction and product arrived in perfect condition.
Rain Bird Corporation is a privately held company founded in 1933 during the agricultural boom in California. We’re recognized as the #1 manufacturer and provider of irrigation products and services in the world. With sales offices around the globe; we offer over 4,000 water-saving irrigation products in more than 130 countries. Since the very beginning, Rain Bird has produced and offered the industry’s broadest range of high-quality irrigation products for: farms, golf courses, sports arenas, commercial developments and homes. Over the past 80-years Rain Bird has received more than 450 patents worldwide. Including the first one for irrigation in 1935 on our original impact-drive sprinkler (U.S. Patent #1,997,901) which revolutionized agricultural food-production and ushered in a new era in irrigation worldwide. In 1990 this original impact sprinkler was designated a historic landmark by the American Society of Agricultural Engineers. Our products cover all aspects of irrigation…timers/controllers, pop-up rotary sprinklers, pop-up spray head sprinklers, sprinkler nozzles, irrigation valves, Drip irrigation, drainage and much more. These products have been chosen and installed worldwide in the largest and most prestigious projects for residential, commercial, agricultural and golf course irrigation. Rain Bird is committed to The Intelligent Use of Water™ extending beyond products to education, training and services for the industry and the community. Our legacy is to design and manufacture only products of the highest value and quality. We’re grateful to have received numerous recognition awards from many of our valued partners. Rain Bird “The Intelligent Use of Water\"
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If you need a few just order a lot. They seem to run out certain times of the year."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"M***S"},"datePublished":"September 27, 2024","name":"Sprinkler","reviewBody":"I am replacing my sprinklers with these. They work great and cover more ground than the ones I have.Very happy. Easy to install, just took some time to set up the area I wanted wet."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"S***Y"},"datePublished":"November 1, 2024","name":"Works great, replaced old Orbit w/ New Rainbird","reviewBody":"Yard has Orbits installed about 20 years ago, they are slowly dying. The Rainbird w/ the rain curtain nozzle produces a better spray pattern and has less misting on windy days, watching both side by side. I also noticed that in areas that were struggling, the new Rainbird w/ the rain currain, use it, grass greened up quickly.They cost the same as the orbits but have a significantly better spray pattern."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"4.0"},"author":{"@type":"Person","name":"U***E"},"datePublished":"July 5, 2014","name":"U can do it yourself save ton from irrigation thuggery..","reviewBody":"excellent heads - only minor gripe is they complicate unnecessarily adjusting the flow and the radius (though its not rocket science) to figure out all adjustment.The flow is controlled by screwing with a thin narrow screw driver (or the tool if you must waste the 5 bucks its really not needed) c;lossest to nozzle/water flow (yes check your blue nozzle plastic cone is in there!) clockwise reduces stream distance while counterclockwise increases stream -warning for novices like me- IF YOU LOOSEN THE SCEEW TOO MUCH THAT IS ALSO THE WAY TO REMOVE NOZZLE AND MY WATER PRESSURE SENT IT FLYING FAR ENOUGH THAT I DDI NOT NOTICE IF FLEW OUT and thought d was broken-but a straight shot of water like hose vs. spraying flow should be obvious to folks paying more attention than me!FWIW-my quick view of how these work (you need a thin skew driver or the Rain Bird screwdriver tool) but its nothing more than smaller skew driver with flat head..- the right side slot (visible and right and below nozzle adjustment screw) I use mainly to pull up the pop up heads (and you can check the rotation levels if you desire that way. Since they comee programmed to do 180 degree watering you really need not mess with adjustments unless you need to go above 1`80 or below with the lowest skew driver access port on bottom opposite the nozzle side where clockwise increases your areas above 180 degrees and counter lowers to as low as 60...while this is not truly part of review I wish someone would have posted this for me as it might have saved me a few annoyed 5-7pm digging parties -but then again they are labeled as \"Pro/high end\" so they probably do not want to make it so easy that any person can swap them like the bigger heads that make the tick tick ticking noise and encase the sprinkler head (used more in smaller yards)..If you feel braver after getting one basic replaced and working- You can get different nozzles to replace standard \"30\" size nozzle for Lower Angle (under tree canopies or on hilly areas) , or water saving nozzles for low pressure or other lower irrigation eeed areas (they are a $1. 79 and easy to change even for a e novice like myself)..I am replacing all my 15 year old Toros of similar type (they had a dirt filter but otherwise those seem superior). I have high pressure and stuck with 3/4 inches even though the 32SAs are about 4 bucks cheaper each- refitting the plastic lines with possible leaks to them plus the versatility of these heads seems superior to the 32SAs-welcoome correction from more pros here.Next challenge-my heads did needed replacement but root cause of head leaking in base zone after cutting to next zone was the valve gasket or tired solenoid not shutting it all way-not sure yet-- to next fun step- finding a Toro valve compatible with 1999 system-not likely hard but they do not make higher end irrigation very easy for novices - do go to any decent instructional sites on web including RainBird's own site- there is much more than comes with paper insert with these in your package-and these are not much more to buy at your local HD or Ls...FWIW...but still a couple bucks less each I think here in bundled form-might try the 5000 pro ones as they seem to be same line but a notch above--will see if available at decent price..."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"H***R"},"datePublished":"August 2, 2024","name":"Great product at a reasonable price.","reviewBody":"I have great coverage with these replacement sprinklers. Easy to install and adjust. No special tools just a small flat blade screwdriver."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"W***N"},"datePublished":"April 21, 2025","name":"It's as advertised","reviewBody":"It was delivered on time and it's as advertised"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"F***Y"},"datePublished":"July 20, 2024","name":"great replacements","reviewBody":"Worked perfectly and easy to install"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"W***T"},"datePublished":"January 10, 2025","name":"Great Replacement Heads!","reviewBody":"My irrigation heads were not working properly. I purchased these, after ordering the wrong size, and these are just what I needed. No more saggy heads. The popped up perfectly."}],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.875,"bestRating":5,"ratingCount":8}}
