Rain Bird 4 in Pop-Up Sprinkler Body 1804LN 10-Pack - Black with Orange Caps, Nozzles Not Included

Rain Bird 1804LN is a 4-inch pop-up sprinkler body (no nozzles) sold in a 10-pack for customizable underground irrigation systems.

This 10-pack of Rain Bird 1804LN sprinkler bodies gives you the flexibility to build or repair spray irrigation zones using the exact Rain Bird 1800 Series nozzles that match your landscape's needs. Each body accepts a variety of compatible nozzles—MPR, HE-VAN, VAN, U-Series, and R-VAN—so you can balance flow and coverage across lawns, beds, and mixed planting areas. The assemblies are built for routine use with a stainless-steel retraction spring, a co-molded wiper seal, a mesh filter screen to limit debris, and a tapered pop-up neck for reliable operation in typical soil conditions.

Which nozzles work with this sprinkler body?

The 1804LN is designed to accept Rain Bird 1800 Series spray nozzles. Choose the nozzle type that matches your required radius, arc, and precipitation rate to optimize coverage and reduce overlaps.

• Compatible nozzle families: MPR, HE-VAN, VAN, U-Series, R-VAN.
• Nozzle swap is tool-free for fast field adjustments.
• Select low-precipitation MPR for tight spacing or HE-VAN for higher efficiency.

What are the key features that keep these bodies operating reliably?

These bodies combine durable plastics and targeted components to maintain consistent pop-up and retraction, while helping limit clogging and wear from soil and debris.

• Stainless-steel spring provides dependable stem retraction.
• Pressure-activated co-molded wiper seal resists dirt intrusion during operation.
• Mesh filter screen reduces nozzle clogging for steady spray patterns.
• Tapered pop-up neck helps the riser retract in varying soils.

How do I install and maintain these 4" pop-up bodies?

Installation fits standard residential and light-commercial underground systems; maintenance emphasizes simple nozzle swaps and periodic debris checks.

• 1/2" NPT female threaded inlet matches common supply fittings.
• No tools required to remove or replace compatible nozzles.
• Periodically lift the cap to clean the mesh filter screen and check the wiper seal.
• This model does not include a pressure regulator—install one upstream if needed.

What are the physical specs and packaging details?

Each kit contains ten bodies in black with orange caps, sized to integrate neatly into typical turf and bed installations. Confirm dimensions and inlet type before ordering to ensure compatibility with existing plumbing.

• Pack quantity: 10 pop-up bodies (no nozzles included).
• Body overall height approximately 6 inches; pop-up height 4 inches; exposed cap diameter 2-1/4 inches.
• Inlet: 1/2" NPT female thread; construction: heavy-duty plastic with stainless hardware.
• Does not include nozzle or pressure regulator; select Rain Bird 1800 Series nozzles separately.

Who is this for: The Rain Bird 1804LN 4" pop-up sprinkler body 10-pack is intended for landscapers, irrigation contractors, and homeowners managing underground spray irrigation who want adaptable heads that accept a wide range of Rain Bird 1800 Series nozzles. It's ideal when you need replacement bodies that maintain dependable retraction and resist debris without committing to a single nozzle type—handy for phased upgrades, mixed landscape zones, or inventory stocking for maintenance crews.