RainBird 1800 Hydroplug

The RainBird 1800 HydroCap is a 3D-printable plug designed to securely seal RainBird 1800 series sprinkler heads, preventing leaks and protecting your irrigation system during maintenance, seasonal shutdowns, or water flow redirection. Precision-engineered for a snug fit, this plug is perfect for landscapers and DIY enthusiasts looking for a reliable, reusable solution.

Material & Print Settings:

Material: PETG (recommended for durability and UV resistance to withstand heavy sunlight exposure).

Infill: 80% (ensures strength and rigidity under pressure).

Layer Height: 0.2mm for optimal balance of detail and print time.

Supports: Not required.

Print Time: Approx. 24 min (depending on printer settings).

Assembly Instructions:

Print the HydroCap using PETG with 80% infill.

For a watertight seal, pair with a rubber or silicone gasket (e.g., O-ring, not included).

Insert the HydroCap into the RainBird 1800 sprinkler head, ensuring the gasket is properly seated.

Press firmly to secure.

Features:

UV-Resistant: PETG material resists degradation from prolonged sunlight exposure.

High Strength: 80% infill provides durability against irrigation system pressure and external impacts.

Reusable: Easily install or remove for seasonal use or system maintenance.

Custom Fit: Designed specifically for RainBird 1800 series sprinkler heads.

Notes:

A gasket is highly recommended to ensure a leak-proof seal and compensate for minor surface irregularities.

Test fitment after printing to confirm compatibility with your sprinkler head.

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Update:  Designed a gasket to print in TPU.