Compact 3504 rotor with SAM check valve

Rain Bird model 3504PCS is a 4 in pop-up gear-drive rotor for small to medium lawns and planted landscapes. It combines adjustable part-circle and reversing full-circle operation in one body, with a Seal-A-Matic check valve to reduce drainage at lower heads.

Key specification

• SKU: Y34500.
• Adjustable arc: 40° to 360°.
• Radius: 4.6 to 10.7 m, depending on nozzle and pressure.
• Pressure: 1.7 to 3.8 bar.
• Flow: 2.0 to 17.4 l/min.
• Pop-up height: 4 in (10.2 cm).
• 1/2 in female bottom inlet.
• SAM check valve holds back up to 2.1 m of elevation.

Installation and adjustment

Select a supplied Rain Curtain nozzle to match the required flow and radius, then adjust the arc from the top with a flat-bladed screwdriver. Flush the lateral line before fitting the nozzle and check that the available pressure supports the selected spacing.

Connection note: Rain Bird's current official specification identifies a 1/2 in NPT female inlet. Confirm thread compatibility before connecting to BSP fittings.