Rain Bird 3RC 3/4-Inch Brass Quick-Coupling Valve
Brand: Rain Bird | SKU: 3RC
Product Overview
Add a quick-access water connection with the Rain Bird 3RC, a one-piece red brass quick-coupling valve with a 3/4-inch female NPT inlet. Its yellow thermoplastic rubber cover protects the opening between uses. Plan the installation around the compatible 33DK valve key, which is a separate component used to open the valve and connect watering equipment.
Key Features
- One-piece red brass valve body.
- Yellow thermoplastic rubber cover.
- Corrosion-resistant stainless steel spring.
- Uses the Rain Bird 33DK quick-coupling key, purchased separately.
Common Uses
- Permanent irrigation water-access points for hand watering and maintenance.
- Replacing a matching 3RC quick-coupling valve where inlet threads and key compatibility have been checked.
Technical Specifications
- Model: 3RC; one-piece quick-coupling valve.
- Inlet: 3/4-inch female NPT.
- Body material: red brass.
- Cover: yellow thermoplastic rubber.
- Operating pressure: 5–125 psi.
- Compatible valve key: 33DK, sold separately.
- 33DK key outlet threads: 3/4-inch male and 1/2-inch female.
- Manufacturer 3RC pressure-loss examples: 1.8 psi at 10 GPM, 4.7 psi at 15 GPM and 7.2 psi at 20 GPM. These are chart points, not a universal flow rating.
Dimensions
- Valve height: 4-1/4 inches (10.8 cm).
Compatibility & Installation Notes
Check the 3/4-inch NPT supply connection and use the model-specific 33DK key. A 3K key is not the listed key for this valve. Select any hose swivel or outlet adapter to suit the key and watering equipment.
Follow the installation layout for a supported, accessible valve with drainage beneath it. Shut off and depressurize the supply before installation or service. The 3RC is the one-piece model; the 33DRC is a different, two-piece valve.
Frequently Asked Questions
Which key fits the 3RC?
Rain Bird specifies the 33DK key for the 3RC valve. The key is sold separately; 3K is not the listed key for this model.
What pipe connection does it have?
The 3RC has a 3/4-inch female NPT inlet. Match the supply fitting to this thread type and nominal size.
Is the 3RC a two-piece valve?
No. The 3RC has a one-piece body. Rain Bird lists the 33DRC as a separate two-piece model.
Why Buy from Big Frog Supply?
Select the 3RC when your access point calls for a one-piece brass valve on a 3/4-inch NPT connection. Its 4-1/4-inch height helps you plan the enclosure, while the separate 33DK key requirement helps you order the operating hardware that actually fits this valve.






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