RP50587 Single-Handle Valve Cartridge for Delta DIAMOND Seal Technology DST Kitchen & Lavatory Faucet 36mm Models

RP50587 Single-Handle Valve Cartridge

Key Features

• Controls water volume and temperature for single-handle faucets.
• Durable ceramic disc design provides leak-free performance.
• Engineered for long-term use and smooth handle operation.
• Constructed with plastic and brass components.

Replaces / Cross-Reference Part Numbers

• Delta: RP50587

Compatibility & Fitment

• Fits select Delta single-handle kitchen faucets.
• Fits select Delta single-handle lavatory faucets.
• Designed for faucet models originally equipped with the manufacturer's ceramic seal valve system.

When to Replace

• Faucet drips from the spout after being turned off.
• Water leaks from around the base of the faucet handle.
• Handle is difficult to move, feels stiff, or operates with a jerky motion.
• Inability to properly mix hot and cold water or control flow rate.

Installation Tips

• Turn off hot and cold water supply lines before beginning installation.
• Place a towel over the sink drain to prevent loss of small parts.
• Observe the orientation of the old cartridge before removal to ensure correct alignment of the new part.
• Once installed, turn the water supply on slowly and check for any leaks around the handle and spout.